Merge "Hide UserSwitchTransitionView if it is not hidden within timeout." into rvc-dev am: d42606d7c4

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11838963

Change-Id: I58e3ed1f9c64fa2dfeaf23d7c8c4a79912c3211b