Revert "Fix auto-grant for groups with solely R_W_R perms"

Revert "Add test for legacy app storage request with RWR"

Revert submission 18500398-fix-auto-grant-rwr

Reason for revert: b/234067689
Reverted Changes:
I789b94b05:Add test for legacy app storage request with RWR
If325cb28c:Fix auto-grant for groups with solely R_W_R perms

Change-Id: Ib8790fe81d74a62f540e331d37389dff1b6b9286