[automerger skipped] Merge "Restrict activity launch when caller is running in the background" into udc-dev am: 82456ff974 am: 444d0bb0e1 -s ours am: 9f91e65f29 -s ours

am skip reason: Merged-In Ie3bc5bd88bfd3bd4777210c0740ad34ea6d3311e with SHA-1 e3c537ddea is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25116113

Change-Id: Icff9bd047246d4d4799e7f3f1556b7a024c168e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>