Merge "Resets All Apps pullback alpha on state change." into tm-qpr-dev am: c94355aa45

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21644582

Change-Id: I4ecab91b9f33cdb99e6fdbf018d9e27fa8b9125d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>