[automerger skipped] Turn off privilege fallback when using test privilege rules. am: e14a5d4cf3 -s ours

am skip reason: Change-Id I61130ed4452a4a1bc60b825ef8b2243058ae9b40 with SHA-1 8ab02b2812 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telephony/+/12741040

Change-Id: I4f22fc4d504af05e2f01bc92a7f53e7bbb544c4b