Remove IBatteryStats call from setDozing

We should only update the charging state when there's a battery
event. Not whenever we need to refresh the text field.

Fixes: 142959859
Test: manually plug and unplug device
Test: atest KeyguardIndicationControllerTest
Change-Id: I902eb838a1bf81a8c85655423c3ea218a93afd00
2 files changed