Bug 1513242 - Queue native calls in GeckoSystemStateListener r=geckoview-reviewers,esawin

Sometimes Gecko isn't running yet when we get our first notifications.

Differential Revision: https://phabricator.services.mozilla.com/D14178

--HG--
extra : moz-landing-system : lando

mobile/android/geckoview/src/main/java/org/mozilla/gecko/GeckoSystemStateListener.java

@@ -105,8 +105,18 @@ public class GeckoSystemStateListener
         contentResolver.notifyChange(animationSetting, null);
     }
 
-    @WrapForJNI(calledFrom = "ui", dispatchTo = "gecko")
-    private static native void onDeviceChanged();
+    @WrapForJNI(stubName = "OnDeviceChanged", calledFrom = "ui", dispatchTo = "gecko")
+    private static native void nativeOnDeviceChanged();
+
+    private static void onDeviceChanged() {
+        if (GeckoThread.isStateAtLeast(GeckoThread.State.PROFILE_READY)) {
+            nativeOnDeviceChanged();
+        } else {
+            GeckoThread.queueNativeCallUntil(
+                    GeckoThread.State.PROFILE_READY, GeckoSystemStateListener.class,
+                    "nativeOnDeviceChanged");
+        }
+    }
 
     private void notifyDeviceChanged(int deviceId) {
         InputDevice device = InputDevice.getDevice(deviceId);