Revert "battery_mitigation: fix brownout reporting"

This reverts commit c414adbf32c8df53265844b51d0d75e500300527.

Reason for revert: DroidMonitor-triggered revert due to breakage, bug b/263437450

Change-Id: I3badfa6fd35fde19c199d71894124212edaf7dc8
1 file changed