Merge "Allow reachability for translucent activities" into tm-qpr-dev am: 3194b5a0 am: e4d662a0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21538127



Change-Id: Iefc698174e7c5a4aa8522e6d929bdb7f38dafdf8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>