Hash ICC ID used in the notification tag for voicemail notifications. am: a38caf0ff6 am: 11e2957db2 am: 236ad00472

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Dialer/+/16243879

Change-Id: I9f8aa35715826eb0fc2ca57d72a55714007771cd