blink navigation icon when GPS signal lost (#3944)

app/src/main/res/drawable/ic_location_navigation_no_location_24dp.xml

@@ -0,0 +1,11 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0"
+    android:tint="?attr/colorControlNormal">
+        <path
+            android:fillColor="@android:color/white"
+            android:pathData="M12,2L4.5,20.29l0.71,0.71L12,18l6.79,3 0.71,-0.71z M12,6.5L17,18.5L12,16L7,18.5z" />
+</vector>

app/src/main/res/drawable/ic_location_navigation_searching_24dp.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<animation-list android:id="@+id/selected"
+                android:oneshot="false"
+                xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/ic_location_navigation_no_location_24dp" android:duration="750" />
+    <item android:drawable="@drawable/ic_location_navigation_24dp" android:duration="750" />
+</animation-list>

app/src/main/res/drawable/ic_location_state_24dp.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item app:is_navigation="true" android:drawable="@drawable/ic_location_navigation_24dp"/>
+    <item app:is_navigation="true" app:state_updating="true" android:drawable="@drawable/ic_location_navigation_24dp"/>
+    <item app:is_navigation="true" android:drawable="@drawable/ic_location_navigation_searching_24dp"/>
     <item app:state_updating="true" android:drawable="@drawable/ic_location_24dp"/>
     <item app:state_searching="true" android:drawable="@drawable/ic_location_searching_24dp"/>
     <item app:state_enabled="true" android:drawable="@drawable/ic_location_no_location_24dp"/>