Framework: fix disable screen-off animation

This line got lost in "Merge tag 'android-4.4.3_r1' into HEAD" and it's not possible to disable screen-off animation.

Change-Id: I050647afb30fae4547db561a2d3e212213e12873
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_frameworks_base into android-4.4