Merge "Assert correct nav bar visibility in overview" into tm-dev am: d423d780 am: 5b5d4fc7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17724000



Change-Id: Ia931b25884e902a13d039a780343f3fddec75042
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>