Merge "Cancel notification if media title is invalid" into udc-dev am: 321f474e am: 2518aa7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22318084



Change-Id: I5d5867bf759e7231bb7a5643d56ca33b960f2326
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>