Merge "Taskbar System Action with Broadcast Receiver." into tm-qpr-dev am: d1d0fb8607 am: 99e6efe6f3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22242613

Change-Id: I2cd41ac48e58ac04f4600f6d63b5915fc260c48f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>