Add additional call to onStop() to stablize PIP position.

Bug: 110799409
Test: Manual
Change-Id: I361eeadbf298bb239d8e373f3c6fa49d1f2410a6
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 3a8679e..c3c4f5e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -741,6 +741,8 @@
         NotificationListener.removeNotificationsChangedListener();
         getStateManager().moveToRestState();
 
+        UiFactory.onLauncherStateOrResumeChanged(this);
+
         // Workaround for b/78520668, explicitly trim memory once UI is hidden
         onTrimMemory(TRIM_MEMORY_UI_HIDDEN);
     }