Allow lower NightLight temperatures

AOSP's Temperature->Color conversion is off (or at least, doesn't line up with cf.lumen),
so let's lower the minimum temp to give users more choice.

Change-Id: I2244219b052453a81657a71b8a4bc1b823a88291

Conflicts:
	overlay/common/frameworks/base/core/res/res/values/config.xml
1 file changed