Revert "Revert "Update IMSI protection notification flow""

This reverts commit 70ede8ce05c4713af0ac465d5294c8a5e598ccf5.

Reason for revert: Automerger issue with wrong Merged-In CL
Bug: 161932419

Merged-In: I8be7c1b9e66162fdd244946b47367290116a7747
Change-Id: I75f57cbfda4407249c1170dd14a039315e3dcb53
3 files changed
tree: 67bba0fa987c0e406ee6672f0bb05117b8d5ae57
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg