Lock before unlock (2/2)

All credit goes to slimroms

Change-Id: I31fe42b7c689dd464f534ceed6e19c1963d13863
Signed-off-by: iceandfire <arhamjamal@gmail.com>
Settings: Custom Scroll mod [2/2]

Original commit:
https://github.com/PAC-man/android_packages_apps_Settings/commit/de4ea0f85fee3f3aa6b5153737bf70b503155a57

Change-Id: Iec7e084221eec277f8e72a496e648294db91dfd2
Signed-off-by: iceandfire <arhamjamal@gmail.com>