Revert "Deprecate retailDemo permission protection flag." This reverts commit 7831df9901d1a102428045ae3b92dd74ef1fa9c7. Reason for revert: Can’t deprecate before 24Q2 cut Fixes: 318362596 Test: presubmit Change-Id: I5f6f97c3258b3ded48907d635858411407310fb4