BatteryStatsHelper: Fix some lost power

Looks like we were losing some power calculations from the CPU side of Bluetooth and
WiFi if there was no controller activity ocurring.

Also add finer breakdown of power to BatteryStats dumpsys for WiFi and Bluetooth.

Change-Id: Ic3ce3e4e3b854f17f9a32fd4bdc47a8ea74ca439
2 files changed