If default theme, get localized title string

Change-Id: I2f09c3eb725da16cf7eed681b5527655172e5009
ThemeChooser: Update lock screen wallpaper string

Be consistent with ThemeStore

Change-Id: I0d16c20f42fc9e2ea63d6291a5a14c5d17286109
Merge "If default theme, get localized title string" into cm-11.0
Merge branch 'cm-11.0' into kk_mkt