Merge "Additional polish for the NORMAL<->ALL_APPS transitions." into tm-dev am: 175fc66aa8 am: 22bb04bb77

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/18375247

Change-Id: Icac6fe62259ac76d7527c8ab4cea91b11b21ac55
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>