Merge "Restrict activity launch when caller is running in the background" into...

Merge "Restrict activity launch when caller is running in the background" into udc-dev am: 82456ff9

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



Change-Id: I74a88371535c924893be570d84d68a985c82f8b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>