Created a new controller for DataUsageInfo and add appropriate
unit tests.
Bug: 30946416
Change-Id: Ida1281a771013fd807242f846edb4f2a9c0ccabb
Test: Robolectric tests with target RunSettingsRoboTests
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