Custom button light [1/2]

- Bring back the shining light into the dark

overlay config
<bool name="config_button_brightness_support">false</bool>
<integer name="config_button_brightness_default">128</integer>

*Aex edits*
- Use brightness as float for custom button lights since lightsmanager accepts/expects float now

Change-Id: Ia5af8b1d3b7a698668d2787e87e66ceccfa57952
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
5 files changed