Revert "lockscreen weather: capitalize C/F temps"

This reverts commit 3366f1f16c8a4d7292fb8e012f8a0e0cf1260b18.

Oh god, why! A single line change gone wrong!

Conflicts:
	policy/src/com/android/internal/policy/impl/KeyguardStatusViewManager.java

Change-Id: Ie4a4708c93161a5df1f9ccbef9297b0763433bfc