Updating BatteryStats to account for Ambient Display sipper.

The sipper was added in http://ag/3667626 but BatteryStats wasn't
updated to properly output the data.

Bug: 77877717
Test: flash device and check batterystats output
Change-Id: Ibf98545a147f2d62dd29c57dd7efa14ed4c58aa6
2 files changed