Merge branch 'security-aosp-qt-release' into int/10/fp2

* security-aosp-qt-release:
  Forward fix for: Set FLAG_IMMUTABLE flag on FirstScreenBroadcast PendingIntent.
  Set FLAG_IMMUTABLE flag on FirstScreenBroadcast PendingIntent.

Change-Id: I14d8dcb74af126e86b501e99519c24aa5c6cf80d