commit f239fcf5f277eea44be38b11048f86bff60af6c8
author Andy Hung <hunga@google.com> Wed Apr 19 10:05:38 2017 -0700
committer Andy Hung <hunga@google.com> Wed Apr 19 10:05:38 2017 -0700
tree a956e5a3130ea819ba6ae627377c051433278e14
parent 0d1b2ce151d094b4df949248ab55b4e6d6780869

Extend mediaextractor file read permissions

Permit mediaextractor its own file source for apk and ringtone files.

Previously we fall back to the mediaserver file source.
This does not affect behavior as the fallback works fine; however,
the log messages may cause confusion.

    [73402.683908] type=1400 audit(1491338955.878:121): avc: denied { read }
    for pid=18381 comm="generic"
    path="/data/system_de/0/ringtones/alarm_alert_cache" dev="sda35"
    ino=2490374 scontext=u:r:mediaextractor:s0
    tcontext=u:object_r:ringtone_file:s0 tclass=file permissive=0
    [73402.683932] type=1400 audit(1491338955.884:122): avc: denied { read }
    for pid=18383 comm="generic"
    path="/data/system_de/0/ringtones/ringtone_cache" dev="sda35"
    ino=2490376 scontext=u:r:mediaextractor:s0
    tcontext=u:object_r:ringtone_file:s0 tclass=file permissive=0

Test: Ringtone and CTS
Bug: 37500781

Change-Id: Ie6d8e6d2b7301d00957733f173aeebbe9d0d1998