Prevent media button receivers targeting activities This enforcement prevents a bypass of background activity launches. For Android U, the enforcement just ignores the request and logs a warning. This change is a backport of ag/23810567. Test: Manually. Bug: 272737196 Bug: 272024837 (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d455e21711c167223f7d0696809a4e411683182c) Merged-In: I2412633c0b3afda6776244c72043d0dd78a4c8a1 Change-Id: I2412633c0b3afda6776244c72043d0dd78a4c8a1 
2 files changed