sepolicy: allow surfaceflinger->mediacodec

This is needed for android.media.cts.VideoEncoderTest#testGoogH264Surf480p.

type=1400 audit(0.0:44): avc: denied { read } for path="pipe:[13075]" dev="pipefs" ino=13075 scontext=u:r:mediacodec:s0 tcontext=u:r:surfaceflinger:s0 tclass=fifo_file permissive=0
type=1400 audit(0.0:74): avc: denied { write } for path="pipe:[13505]" dev="pipefs" ino=13505 scontext=u:r:mediacodec:s0 tcontext=u:r:surfaceflinger:s0 tclass=fifo_file permissive=1

Bug: 27589011
Bug: 27643307
Change-Id: Ica8f8a49d6889e33618b6c691a5bd334ecb1bd67
1 file changed