Allow permissions to be denied

Bug: 64690009
Test: cts-tradefed run commandAndExit cts-dev -m CtsPermission2TestCases -t android.permission2.cts.PrivappPermissionsTest#testPrivappPermissionsEnforcement
Change-Id: I904656aaa574a830dcbddb6ca2449bd1eb02446e
1 file changed