[automerger skipped] Add dismiss intent and method for MediaOutputDialog am: 1747dbbc am: 2921cfe3 -s ours

am skip reason: Change-Id Ica5b5a22e0fa20ffec5ab9ea291f72c06e39c2fe with SHA-1 f6ee792f is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13109609

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I69e12938a1d55ec57147060b47d74795008c8f36