Merge "Complement javadoc for MediaEvent.getAudioPresentation" into udc-dev...

Merge "Complement javadoc for MediaEvent.getAudioPresentation" into udc-dev am: 4526d3fb am: 49cd8c19

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21472217



Change-Id: Icdf53144d463132482e9b4080372314a92244fee
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>