Merge "Detect 3p launcher move-to-front during recents." into udc-dev am: 76fad89c am: 5c55b198

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



Change-Id: I613139e1c23d1be7c0b0d79585b584c65509d398
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>