Merge "Announce for accessiblity when taskbar is invoked/closed" into...

Merge "Announce for accessiblity when taskbar is invoked/closed" into tm-qpr-dev am: d301c9b6 am: 545f6540

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21735251



Change-Id: I9a2976339d0587052293afd35db900e607059644
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>