* If the screen is off during the entire transition period,
when we turn the display back on it is not updated with
the correct color temperature.
* The code here is trying to be Mr. Smarty Pants and avoid
extra updates, but it's totally pointless and also broken.
There's no ill effects from writing to the hardware when
the screen comes on, and updateColorTemperature already
has all the other conditionals we need.
* Just call updateColorTemperature every time, regardless.
The LiveDisplayService ensures the callbacks run on the
handler thread and all this crap can be removed.
Change-Id: Ib9560e13870a5c6bbe9c5a26fad40f5ec1cefa83
153bd2287c