Add BLOCKED and REJECTED call types.

REJECTED calls are those where a user takes action to decline an
incoming call. INCOMING calls may continue to describe this class of
calls as well.

BLOCKED calls are which are automatically rejected by the application
or by the framework.

Bug: 24341350
Change-Id: I62386aa30be71967b3187cfb3f8f79196e117adb
3 files changed