Add option to grant/revoke all RT perms via "pm grant"

This will help tradefed to depricate their permission util
and save around 15-20 seconds per test run on a presubmit
infra.

Bug: 296862271
Test: Manual

Change-Id: I6b2ce917120a822a4c2712d70a41c2776ff01e70
1 file changed