Consolidate all SafetySourceStateCollected logging

Removes all the duplication of code and consolidates it in the
SafetyCenterDataManager class with substantial reductions in the pull
atom callback and the StatsdLogger class.

Fix: 277744768
Fix: 277174417
Test: atest SafetyCenterManagerTest
Change-Id: I17cd97247566351048e829d89b716a4fa8a17387