Revert "Update IMSI protection notification flow"

This reverts commit 024aad2e07703c7e33d066e5ac0436c5c3a67772.

Reason for revert: clean the tree, and move to qpr
Bug: 161932419

Merged-In: I28ab0d5322f3729ef81244ddac5db40ba10efcad
Change-Id: I680ab7a834707be44c144ae002acbf729ca51a53
3 files changed
tree: f51fab098acaacd9646cb8347bc56c4297a174a2
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg