Add BatteryTipDetector and LowBatteryTip stuffs.

This cl adds the infra of BatteryTipDetector and use LowBatteryTip
as an example(tip model + detector).

Also add SummaryTipDetector and related tests

Bug: 70570352
Test: RunSettingsRoboTests

Change-Id: Icf1349b6ede9eb7ee5ed69b39ee3a2661ac660fa
12 files changed