commit 3de09838fb0996bb4b420630800ad34e828fd1b6
author Jaewan Kim <jaewan@google.com> Mon Sep 19 21:19:55 2016 +0900
committer The Android Automerger <android-build@android.com> Tue Sep 27 00:17:46 2016 -0700
tree c458c2d45072363197f6c51b0354647a2d84b9af
parent 31f351160cdfd9dbe9919682ebe41bde3bcf91c6

DO NOT MERGE Check caller for sending media key to global priority session

Prevent sending media key events from the non-system app to the global
priority session through the MediaSessionManager.dispatchMediaKeyEvent().
Note that any app can use the API indirectly with
the public API AudioManager.dispatchMediaKeyEvent().

Bug: 29833954
Tested: Installed malicious apps and confirmed that they don't work.
Tested: Run CtsTelecomTestCases and CtsMediaTestCases
Change-Id: I2a9e78196ba7455324e485f098f095d03b47ee15
(cherry picked from commit 09c3df004bad9343092e377a7e74e11f9635734a)