Transition BatteryInfo and BatteryUtils to BatteryUsageStats API

Bug: 173745486
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge.BatteryHistoryPreferenceTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge.BatteryInfoLoaderTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge.BatteryInfoTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge.BatteryUtilsTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.fuelgauge.batterytip.detectors

Change-Id: I469ff8b88aa3307422c02f51943df4ef1759db56
18 files changed