Remove BatteryHeaderPreferenceController usage in PowerUsageSummary.

This is a no-op refactor. This change makes the BatteryHeaderPreference Catalyst migration doesn't depend on PowerUsageSummary.

Bug: 372774754
Test: manual
Flag: EXEMPT bug fix
Change-Id: I3d8d2856036f6840a0a163c35668f55baee487ab
3 files changed