Trigger re-inflate when sensitive setting changes

Fixes: 230581048
Test: manual
  1. Post messaging style notification w/ Notify.apk
  2. Enable redaction of sensitive notifications on lock screen
  3. Lock device
  Observe: Notification is showing redacted view on lock screen

Change-Id: I393ae6c465b2e86a3dbb88414f784fe871390f38
Merged-In: I393ae6c465b2e86a3dbb88414f784fe871390f38