Don't timeout SoftAP if plugged in, regardless of charge

SoftAP should not be timed out if the device is plugged into a power
source, even if the source is low current and not currently charging the
battery.

Updated-Overlayable: TRUE

Bug: 264610460
Test: atest SoftApManagerTest
Merged-In: I34dc1513c3f8fcaaf2cc78324401cbf277f68d91
Change-Id: I34dc1513c3f8fcaaf2cc78324401cbf277f68d91
4 files changed