Check separate phone numbers in RepeatCallers.isRepeat

In the case where a new call notification comes in with just a contact uri, and the telephone number associated with the call was previously received, we need to also try to check any looked up phone numbers.

Bug: 219562304
Test: ZenModeFilteringTest, NotificationManagerTest
Change-Id: I81b7bf63b7cfd36b8765dc39c225103d4cd48587
Merged-In: I81b7bf63b7cfd36b8765dc39c225103d4cd48587
(cherry picked from commit 49633a3c)