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

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



Change-Id: I7e4cdac1886c4a540531e901e29d6aad905c02a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>