Merge "[multi-shade] Launcher touch integration" into udc-dev am: 86060227

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22339346



Change-Id: I97569180207c98d7a88ff3a709cb5228fa36cc9b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>