Update IMSI protection notification flow

Bug: 161932419
Test: atest com.android.server.wifi

Merged-In: I8be7c1b9e66162fdd244946b47367290116a7747
Change-Id: I922a46fee984721ca2fef8c0e2c1307718b2b7e8
4 files changed
tree: e709259a4bdaead75d2d24d3f97e1aa068847367
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg