[automerger skipped] Add silence support to Call via CallScreeningService am: 5022df67
am: b10502ae -s ours
am skip reason: change_id I1965f9d501c8df89c835c49e23fa3f4030c0b812 with SHA1 f09f98c6 is in history
Change-Id: I94feded6bd77dd2e73330ba64216a351bd7fdf6e