Fix nits in reporting battery information and add battery status reporting. Rate units are mA/mW, not mAh/mWh.  Get full battery status and time remaining from ACPIIO_BATT_GET_BATTINFO instead of BST.
Fix nits in reporting battery information and add battery status reporting.
Rate units are mA/mW, not mAh/mWh.  Get full battery status and time
remaining from ACPIIO_BATT_GET_BATTINFO instead of BST.

PR:		bin/83672
MFC after:	2 days

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