[automerger skipped] Merge "Restrict activity launch when caller is running in the background" into tm-dev am: 5f74ebdf62 am: a280c0d0b5 -s ours am: 9dc603c80c -s ours

am skip reason: Merged-In Ic88dd1e79b867b44cdcd6fc86650f5de6ebcc23d with SHA-1 e1edaa27ea is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23265596

Change-Id: I0ecb630ae028e0cdaeb99caac549de0bcadb5b0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>