Merge "Log stackstrace if updateIconAlphaForHome is called after Taskbar is destroyed" into tm-qpr-dev am: ac4c866538 am: e892b3e4c5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21467064

Change-Id: Ia9fb0b47902f28cbc9eaa5157aefc4fc779cf55e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>