Merge "[flexiglass] Drive window view visibility." into udc-qpr-dev am: c9f03886 am: a8386a6b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24009516



Change-Id: I558f475cb6425c356a4e0892c44b405d874e11b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>