Add 'com.android.media' to apex_available of libhardware_headers am: c8fbb82f08

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/libhardware/+/22937811

Change-Id: Ia7a258b7e32648ea5176a4371194abfe1bcbebea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>