Add 'com.android.media' to apex_available of libhardware_headers am: c8fbb82f08 am: a0c7f300f3

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

Change-Id: If62e4035c75e143978f9c379bd6105901f7c0e4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>