Send Intent when CallerInfoCache should be updated

The cache should be updated when:
- custom ringtone is set,
- send-to-voicemail is set,
- a contact is edited and the change is submitted
  (discard shouldn't cause cache update)
- contacts are joined, or separated

Bug: 1735194
Change-Id: Icd4fea5fd09cc3adcffc5364705ab40e92f4e6e4