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

Merge "Detect 3p launcher move-to-front during recents." into udc-dev am: 76fad89c am: 5c55b198 am: 9b4611c9 am: 53605f5e

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



Change-Id: Ief282a9152d5a24c6ceb8b5f8ad76e938c514a55
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>