Merge "Predictive back: widget to all apps" into tm-qpr-dev am: e73db2a011

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20968630

Change-Id: I8b4fb27d441dc449873bfe95ef40a047805bf3d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>