Add shell permission for CTS test

The MEDIA_RESOURCE_OVERRIDE_PID permission is needed to create codecs on
behalf of other processes for correct MediaCodec resource reclaiming
behavior.

Bug: 217746837
Test: atest MediaCodecResourceTest
Change-Id: I75f2b33f7fee6d6e84ed7aec94eccd8aee5e4b20
1 file changed