Bug: 30914916
Test: SettingsUnitTests and RunSettingsRoboTests
- Added interface to abstract logger
- Added test for SharePrefLogger
- Moved Existing tests for instrumentation to robotests.
Change-Id: I2b431ea4b0fd09d0f11389d8b9181448f08a52c5
Bug: 30681771
Test: SettingsUnitTests
Refactor visibility logging from InstrumentedFragment into a mixin. And
apply mixin in remaining fragments.
Change-Id: Ibbb59904336254a3e4bb9e8c7d0b36e5a6bc2622