[automerger skipped] Merge "Enforce @NonNull package name for onMediaKeyEventSessionChanged" into udc-dev am: 4c36dc67 am: 6ce456a1 -s ours

am skip reason: Merged-In I0fdada5ed6d27a02ee0c1ab58423238c7651b5de with SHA-1 89feb369 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22223613



Change-Id: Ib482913d387e433627ec8be960310f1c26ae09f6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>