Updates for 10.2

Change-Id: I5b057cff37438c0db2721b0811482d721bbf6669
selinux: Add device-specific rules

Change-Id: I49e189ea343d401eb19f5d884d661fd3ddce81f1
An incomplete refactoring/rewrite of light control

* Better readability
* Makes LEDs individually addressable
* Can set multiple colors in a range with one call
* Enhanced stability

Change-Id: I888788b8ebf7205f4290845f15ed1f5002de51b6