Uncrypt may need access to additional selinux contexts for devices
with created storage solutions.
Change-Id: Ie90f130ff6bafdd195379f7d57504b2fce4ef830
System server needs to be able to create a pipe in the cache partition
for uncrypting OTAs. Uncrypt needs to be able to read and write the
pipe.
Change-Id: Ie03ee7d637eaecff8fe38bf03dc733b3915cd336
