Require READ_MEDIA_AUDIO to see indexed metadata.

We don't have a great way to filter parsed metadata by owner, so
callers need to hold READ_MEDIA_AUDIO.

Also allow callers holding READ_MEDIA_AUDIO to see files with
FileColumns.MEDIA_TYPE_PLAYLIST.

Bug: 117626525, 120419005
Test: atest cts/tests/tests/provider/src/android/provider/cts/MediaStore*
Change-Id: Iffc1638d4f70e500cade8e23dff82a88c484c5f7
3 files changed