Merge "Remove all pending messages when fragment destroyed" into main am: f85bc08954

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/3329595

Change-Id: I41cf9371fc4560182def371649bd8cd3e7963406
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

src/com/android/settings/wifi/addappnetworks/AddAppNetworksFragment.java

@@ -207,7 +207,9 @@ public class AddAppNetworksFragment extends InstrumentedFragment implements
     @Override
     public void onDestroy() {
         mWorkerThread.quit();
-
+        if (mHandler.hasMessagesOrCallbacks()) {
+            mHandler.removeCallbacksAndMessages(null);
+        }
         super.onDestroy();
     }