Add TraceEvent for potential slow call for GooglePlayServices

Change-Id: I1820d52d15222871b76866f07dfacd4ecd525e2d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3639862
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1002116}

components/externalauth/android/java/src/org/chromium/components/externalauth/ExternalAuthUtils.java

@@ -21,6 +21,7 @@
 import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.StrictModeContext;
+import org.chromium.base.TraceEvent;
 import org.chromium.base.task.PostTask;
 import org.chromium.components.embedder_support.util.Origin;
 import org.chromium.content_public.browser.UiThreadTaskTraits;
@@ -261,7 +262,8 @@ public ExternalAuthGoogleDelegate getGoogleDelegateForTesting() {
      */
     protected int checkGooglePlayServicesAvailable(final Context context) {
         // TODO(crbug.com/577190): Temporarily allowing disk access until more permanent fix is in.
-        try (StrictModeContext ignored = StrictModeContext.allowDiskWrites()) {
+        try (StrictModeContext ignored = StrictModeContext.allowDiskWrites();
+                TraceEvent e = TraceEvent.scoped("checkGooglePlayServicesAvailable")) {
             return ChromiumPlayServicesAvailability.getGooglePlayServicesConnectionResult(context);
         }
     }