Removing enforcePermissionsAndGetEnforcingAdmin from cleanCallingIdentity block

enforcePermissions was failing with security exception as it checks callingIdentity which was being
cleared beforehand.

Bug: b/282180465
Test: manual
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:1e415b7937550dbb22075c0bd91a60b7f1a1245b)
Merged-In: Iae54d93f4ba08657f5d7d466cfa8e02bfa6c5809
Change-Id: Iae54d93f4ba08657f5d7d466cfa8e02bfa6c5809