diff --git a/mobile/mobile.iml b/mobile/mobile.iml
index cf74eac9a..189f1d3ed 100644
--- a/mobile/mobile.iml
+++ b/mobile/mobile.iml
@@ -85,13 +85,13 @@
     </content>
     <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="gson-2.3.1" level="project" />
     <orderEntry type="library" exported="" name="appcompat-v7-21.0.3" level="project" />
-    <orderEntry type="library" exported="" name="play-services-6.5.87" level="project" />
     <orderEntry type="library" exported="" name="support-annotations-21.0.3" level="project" />
     <orderEntry type="library" exported="" name="CastCompanionLibrary-debug-" level="project" />
     <orderEntry type="library" exported="" name="support-v4-21.0.3" level="project" />
+    <orderEntry type="library" exported="" name="play-services-cast-6.5.87" level="project" />
     <orderEntry type="library" exported="" name="mediarouter-v7-21.0.2" level="project" />
+    <orderEntry type="library" exported="" name="play-services-base-6.5.87" level="project" />
     <orderEntry type="library" exported="" name="recyclerview-v7-21.0.2" level="project" />
     <orderEntry type="library" exported="" name="library-5.0.0" level="project" />
     <orderEntry type="library" exported="" name="leanback-v17-21.0.2" level="project" />
diff --git a/mobile/src/main/java/com/example/android/uamp/MediaNotificationManager.java b/mobile/src/main/java/com/example/android/uamp/MediaNotificationManager.java
index bfc44dec7..8225779e2 100644
--- a/mobile/src/main/java/com/example/android/uamp/MediaNotificationManager.java
+++ b/mobile/src/main/java/com/example/android/uamp/MediaNotificationManager.java
@@ -277,15 +277,14 @@ private Notification createNotification() {
                 .setContentText(description.getSubtitle())
                 .setLargeIcon(art);
 
-        String extraInfo = null;
         if (mController != null && mController.getExtras() != null) {
             String castName = mController.getExtras().getString(MusicService.EXTRA_CONNECTED_CAST);
             if (castName != null) {
-                extraInfo = mService.getResources().getString(R.string.casting_to_device, castName);
+                String castInfo = mService.getResources()
+                        .getString(R.string.casting_to_device, castName);
+                notificationBuilder.setSubText(castInfo);
             }
         }
-        notificationBuilder.setContentInfo(extraInfo);
-
 
         setNotificationPlaybackState(notificationBuilder);
 
diff --git a/mobile/src/main/java/com/example/android/uamp/PackageValidator.java b/mobile/src/main/java/com/example/android/uamp/PackageValidator.java
index 2e06190d4..d834dbe07 100644
--- a/mobile/src/main/java/com/example/android/uamp/PackageValidator.java
+++ b/mobile/src/main/java/com/example/android/uamp/PackageValidator.java
@@ -60,13 +60,12 @@ private Map<String, ArrayList<CallerInfo>> readValidCertificates(XmlResourcePars
                 if (eventType == XmlResourceParser.START_TAG
                         && parser.getName().equals("signing_certificate")) {
 
+                    String name = parser.getAttributeValue(null, "name");
+                    String packageName = parser.getAttributeValue(null, "package");
+                    boolean isRelease = parser.getAttributeBooleanValue(null, "release", false);
                     String certificate = parser.nextText().replaceAll("\\s|\\n", "");
 
-                    CallerInfo info = new CallerInfo(
-                        parser.getAttributeValue(null, "name"),
-                        parser.getAttributeValue(null, "package"),
-                        parser.getAttributeBooleanValue(null, "release", false),
-                        certificate);
+                    CallerInfo info = new CallerInfo(name, packageName, isRelease, certificate);
 
                     ArrayList<CallerInfo> infos = validCertificates.get(certificate);
                     if (infos == null) {
diff --git a/mobile/src/main/res/xml/allowed_media_browser_callers.xml b/mobile/src/main/res/xml/allowed_media_browser_callers.xml
index b0904618a..82e8693dc 100644
--- a/mobile/src/main/res/xml/allowed_media_browser_callers.xml
+++ b/mobile/src/main/res/xml/allowed_media_browser_callers.xml
@@ -72,4 +72,60 @@
         yfhWkMizOeIXcayVAQdNn5zpBkuay1skGOjQQ5kTbDcDzigO2R2rqn6HCd9l5Z0W
         IQ==
     </signing_certificate>
+    <signing_certificate name="Android Auto Simulator" release="true"
+                         package="com.google.android.autosimulator">
+        MIIEqDCCA5CgAwIBAgIJANWFuGx90071MA0GCSqGSIb3DQEBBAUAMIGUMQswCQYD
+        VQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4g
+        VmlldzEQMA4GA1UEChMHQW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UE
+        AxMHQW5kcm9pZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTAe
+        Fw0wODA0MTUyMzM2NTZaFw0zNTA5MDEyMzM2NTZaMIGUMQswCQYDVQQGEwJVUzET
+        MBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEQMA4G
+        A1UEChMHQW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UEAxMHQW5kcm9p
+        ZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTCCASAwDQYJKoZI
+        hvcNAQEBBQADggENADCCAQgCggEBANbOLggKv+IxTdGNs8/TGFy0PTP6DHThvbbR
+        24kT9ixcOd9W+EaBPWW+wPPKQmsHxajtWjmQwWfna8mZuSeJS48LIgAZlKkpFeVy
+        xW0qMBujb8X8ETrWy550NaFtI6t9+u7hZeTfHwqNvacKhp1RbE6dBRGWynwMVX8X
+        W8N1+UjFaq6GCJukT4qmpN2afb8sCjUigq0GuMwYXrFVee74bQgLHWGJwPmvmLHC
+        69EH6kWr22ijx4OKXlSIx2xT1AsSHee70w5iDBiK4aph27yH3TxkXy9V89TDdexA
+        cKk/cVHYNnDBapcavl7y0RiQ4biu8ymM8Ga/nmzhRKya6G0cGw8CAQOjgfwwgfkw
+        HQYDVR0OBBYEFI0cxb6VTEM8YYY6FbBMvAPyT+CyMIHJBgNVHSMEgcEwgb6AFI0c
+        xb6VTEM8YYY6FbBMvAPyT+CyoYGapIGXMIGUMQswCQYDVQQGEwJVUzETMBEGA1UE
+        CBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEQMA4GA1UEChMH
+        QW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UEAxMHQW5kcm9pZDEiMCAG
+        CSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbYIJANWFuGx90071MAwGA1Ud
+        EwQFMAMBAf8wDQYJKoZIhvcNAQEEBQADggEBABnTDPEF+3iSP0wNfdIjIz1AlnrP
+        zgAIHVvXxunW7SBrDhEglQZBbKJEk5kT0mtKoOD1JMrSu1xuTKEBahWRbqHsXcla
+        XjoBADb0kkjVEJu/Lh5hgYZnOjvlba8Ld7HCKePCVePoTJBdI4fvugnL8TsgK05a
+        IskyY0hKI9L8KfqfGTl1lzOv2KoWD0KWwtAWPoGChZxmQ+nBli+gwYMzM1vAkP+a
+        ayLe0a1EQimlOalO762r0GXO0ks+UeXde2Z4e+8S/pf7pITEI/tP+MxJTALw9QUW
+        Ev9lKTk+jkbqxbsh8nfBUapfKqYn0eidpwq2AzVp3juYl7//fKnaPhJD9gs=
+    </signing_certificate>
+    <signing_certificate name="Media Browser Simulator" release="true"
+                         package="com.google.android.mediasimulator">
+        MIIEqDCCA5CgAwIBAgIJANWFuGx90071MA0GCSqGSIb3DQEBBAUAMIGUMQswCQYD
+        VQQGEwJVUzETMBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4g
+        VmlldzEQMA4GA1UEChMHQW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UE
+        AxMHQW5kcm9pZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTAe
+        Fw0wODA0MTUyMzM2NTZaFw0zNTA5MDEyMzM2NTZaMIGUMQswCQYDVQQGEwJVUzET
+        MBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEQMA4G
+        A1UEChMHQW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UEAxMHQW5kcm9p
+        ZDEiMCAGCSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbTCCASAwDQYJKoZI
+        hvcNAQEBBQADggENADCCAQgCggEBANbOLggKv+IxTdGNs8/TGFy0PTP6DHThvbbR
+        24kT9ixcOd9W+EaBPWW+wPPKQmsHxajtWjmQwWfna8mZuSeJS48LIgAZlKkpFeVy
+        xW0qMBujb8X8ETrWy550NaFtI6t9+u7hZeTfHwqNvacKhp1RbE6dBRGWynwMVX8X
+        W8N1+UjFaq6GCJukT4qmpN2afb8sCjUigq0GuMwYXrFVee74bQgLHWGJwPmvmLHC
+        69EH6kWr22ijx4OKXlSIx2xT1AsSHee70w5iDBiK4aph27yH3TxkXy9V89TDdexA
+        cKk/cVHYNnDBapcavl7y0RiQ4biu8ymM8Ga/nmzhRKya6G0cGw8CAQOjgfwwgfkw
+        HQYDVR0OBBYEFI0cxb6VTEM8YYY6FbBMvAPyT+CyMIHJBgNVHSMEgcEwgb6AFI0c
+        xb6VTEM8YYY6FbBMvAPyT+CyoYGapIGXMIGUMQswCQYDVQQGEwJVUzETMBEGA1UE
+        CBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNTW91bnRhaW4gVmlldzEQMA4GA1UEChMH
+        QW5kcm9pZDEQMA4GA1UECxMHQW5kcm9pZDEQMA4GA1UEAxMHQW5kcm9pZDEiMCAG
+        CSqGSIb3DQEJARYTYW5kcm9pZEBhbmRyb2lkLmNvbYIJANWFuGx90071MAwGA1Ud
+        EwQFMAMBAf8wDQYJKoZIhvcNAQEEBQADggEBABnTDPEF+3iSP0wNfdIjIz1AlnrP
+        zgAIHVvXxunW7SBrDhEglQZBbKJEk5kT0mtKoOD1JMrSu1xuTKEBahWRbqHsXcla
+        XjoBADb0kkjVEJu/Lh5hgYZnOjvlba8Ld7HCKePCVePoTJBdI4fvugnL8TsgK05a
+        IskyY0hKI9L8KfqfGTl1lzOv2KoWD0KWwtAWPoGChZxmQ+nBli+gwYMzM1vAkP+a
+        ayLe0a1EQimlOalO762r0GXO0ks+UeXde2Z4e+8S/pf7pITEI/tP+MxJTALw9QUW
+        Ev9lKTk+jkbqxbsh8nfBUapfKqYn0eidpwq2AzVp3juYl7//fKnaPhJD9gs=
+    </signing_certificate>
 </allowed_callers>
diff --git a/wear/wear.iml b/wear/wear.iml
index 4f92a76e2..8c4babb91 100644
--- a/wear/wear.iml
+++ b/wear/wear.iml
@@ -81,7 +81,6 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
     <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />