Sepolicy : Do not audit mediaswcodec access to vendor_gles_data_file

Addressing the following denial:

type=1400 audit(0.0:10197): avc: denied { search } for name="gpu"
dev="dm-4" ino=405 scontext=u:r:mediaswcodec:s0
tcontext=u:object_r:vendor_gles_data_file:s0 tclass=dir permissive=0

Change-Id: I02c0e40e376dc9d856e1541ba85ede5db379d49a