Log metrics for permission decisions

Logs metrics for the permission decision reminder notification and
viewing and interaction with the review permission decisions screen.

Since there's no callback where we log for the notification, we log
that click action within the review permission decisions screen.

Bug: 216475259
Test: statsd_testdrive -p com.google.android.permissioncontroller 438 439
Change-Id: Idcd88156d82219829377b5baacd1ff8fae3aa552