Add method to pause expensive view updates during the app launch aimation

Fixes: 220922269
Test: Manual
Change-Id: I39066f575c0ddfc4868ab9e27149e2bd9492b39c
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 8fb2f53..5c5aee5 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3192,4 +3192,15 @@
     public ArrowPopup<?> getOptionsPopup() {
         return findViewById(R.id.popup_container);
     }
+
+    /** Pauses view updates that should not be run during the app launch animation. */
+    public void pauseExpensiveViewUpdates() {
+        // Pause page indicator animations as they lead to layer trashing.
+        getWorkspace().getPageIndicator().pauseAnimations();
+    }
+
+    /** Resumes view updates at the end of the app launch animation. */
+    public void resumeExpensiveViewUpdates() {
+        getWorkspace().getPageIndicator().skipAnimationsToEnd();
+    }
 }