hlte: add keydisabler

Change-Id: I868ec0c90001cc969edea1d307305c95b11348ca
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_hlte-common into cm-11.0
Revert "hlte: add keydisabler"

This reverts commit 373ef190093455effcd186ed6276d4badf04b910.