Fix for bug where expensive launcher animations were being paused and never resumed. am: 677978c8ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20582304

Change-Id: Ice492ce44086ab2fe0e21631b067e489ced310ef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/launcher3/QuickstepTransitionManager.java

@@ -518,6 +518,7 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
                 appsView.setAlpha(startAlpha);
                 SCALE_PROPERTY.set(appsView, startScale);
                 appsView.setLayerType(View.LAYER_TYPE_NONE, null);
+                mLauncher.resumeExpensiveViewUpdates();
             };
         } else if (mLauncher.isInState(OVERVIEW)) {
             endListener = composeViewContentAnimator(launcherAnimator, alphas, scales);
@@ -647,6 +648,7 @@ public class QuickstepTransitionManager implements OnDeviceProfileChangeListener
             overview.setFreezeViewVisibility(false);
             SCALE_PROPERTY.set(overview, 1f);
             mLauncher.getStateManager().reapplyState();
+            mLauncher.resumeExpensiveViewUpdates();
         };
     }