Merge "Detect 3p launcher move-to-front during recents." into udc-dev am: 76fad89c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23608057



Change-Id: Id8f8557a0af5426e3d594fb40e866539e9a1a356
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>