Dismiss MWI when vvm status is received.

The message waiting indicator should not appear when visual voicemail is
set up. Sometimes the MWI will trigger before visual voicemail is
registered, so we need to manually disable it after visual voicemail is
available.

Bug: 22375837
Change-Id: I0fe62d34f6f773a466c0b18592fe9087d5477080
4 files changed