Add immutability flag to pending intent

So that the intent cannot be modified by other apps.

Bug: 170158131
Test: atest com.android.server.wifi
Change-Id: I479e27432780ba0abd7ae0f1093f5ca9a7736746
1 file changed
tree: e91cdc7e00254c2f185abccf1ccc7822ec5ff68f
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg