Merge "Directly use launcher activity interface" into tm-qpr-dev am: 8b4ac56ee2 am: 20f89a41f4

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22121678

Change-Id: If06bcfcfb058b0a932bec4b1364e14da4cac1f07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>