sepolicy: Label misc block device.

Suppress the warnings when calling uncrypt.

avc: granted { write } for name="mmcblk0p7" dev="tmpfs" ino=12491 scontext=u:r:uncrypt:s0 tcontext=u:object_r:block_device:s0 tclass=blk_file
avc: granted { write open } for path="/dev/block/mmcblk0p7" dev="tmpfs" ino=12491 scontext=u:r:uncrypt:s0 tcontext=u:object_r:block_device:s0 tclass=blk_file

Bug: 25091603
Change-Id: Ic1c4027bb47ca8fccc9f98231c5883ef27c926e3
1 file changed