Correct the lockscreen carrier text alignment and text color

In AOSP the text is left aligned, not centered, and the text color is white, not grey

Change-Id: Ie9c77761d3440336ae57abed24c8403bda06be3e
Merge pull request #5 from CyanogenMod/cm-12.0

Correct the lockscreen carrier text alignment and text color
Merge pull request #6 from RazgrizEzz/cm-12.0

Merge : 2 commits