Merge "Sync client visibility if activity is stopped" into sc-dev am:...

Merge "Sync client visibility if activity is stopped" into sc-dev am: be851a2a am: 1cd18d30 am: d1934016

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15258890

Change-Id: I531dd51b559e91de7457a1d539b0c374b5c9e2d6