Add color temperature preference for Night Display

Bug: 32463283
Test: adb shell settings put secure night_display_color_temperature
XXXX, where XXXX is {0, 2900, 4000, 7000}, and the temperatures
outside the valid range are capped at the min/max, respectively.
Change-Id: I322c0a907b30742fc312a9938fd0c47f679e580b