Merge "Additional polish for the NORMAL<->ALL_APPS transitions." into tm-dev am: 175fc66a

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



Change-Id: I192035c57915775ae411e433da85f134a2c5e187
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>