Fix MTP sync

Address the following denial:
avc: denied { use } for path="/storage/emulated/0/305512.pdf" dev="fuse"
ino=239 scontext=u:r:kernel:s0 tcontext=u:r:priv_app:s0:c512,c768 tclass=fd
permissive=0

Bug: 25068662
Change-Id: Ic29d9569ff387dfd411363db751c3642572c8e85