All SELinux domains are already granted the ability to read the
filenames in /proc, so it's unnecessary to add it to storaged.te.

  $ grep "proc:dir r_dir_perms" public/domain.te
  allow domain proc:dir r_dir_perms;

Remove redundant rule.

Test: policy compiles.
Change-Id: I8779cda19176f7eb914778f131bb5b14e5b14448

Allow storaged to read /proc/[pid]/io
Grant binder access to storaged
Add storaged service
Grant storaged_exec access to dumpstate
Grant storaged binder_call to dumpstate

Bug: 32221677

Change-Id: Iecc9dba266c5566817a99ac6251eb943a0bac630

Allowing storaged for reading from pseudo filesystems and debugfs.

Bug: 32221677

Change-Id: I837cead9a68f0b399703b64d724cb9c4b205c335