Revert "Battery light rework"

This reverts commit 8edb0c4af28cc0179295a3008c9e77fa38694832.
Revert "Settings: Skip apps where the LED's already set up"

This reverts commit e85cbbdd73d2408787177695e11f297ef6d9987f.
Revert "notification light clean up"

This reverts commit 44e8480b2c02ddf85818fddf8a03113585b7f1c3.

Conflicts:
	src/com/android/settings/notificationlight/AlphaPatternDrawable.java
	src/com/android/settings/notificationlight/ApplicationLightPreference.java
	src/com/android/settings/notificationlight/ColorPanelView.java
	src/com/android/settings/notificationlight/ColorPickerView.java
	src/com/android/settings/notificationlight/LightSettingsDialog.java
Revert "Fix: app icon sizes in notification lights"

This reverts commit ecab87ddaa9fde29edda99790acc630710b54770.