Merge "Merge "Call onDismissed on dismiss even mUserSwitchingDialog is null."...

Merge "Merge "Call onDismissed on dismiss even mUserSwitchingDialog is null." into udc-dev am: 3cb27206 am: c9226db9" into udc-d1-dev-plus-aosp am: 08a9d792

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23289736



Change-Id: I07871d394f4208690588524eb434618b1eaaa6dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>