Refactored CallScreeningServiceFilter to NewCallScreeningServiceFilter.

moved checking contact exist part to BlockCheckerFiltersince it
need to query caller info and will always perform filtering
before call screen service binding.

Test: TelecomUnitTest
Bug: 135929421
Change-Id: I52c96f2d760446d3444825ec2ad78e6ddc9226c6
4 files changed