N5100: add keydisabler permission
N5100: add keydisabler permission

Change-Id: Iaa585bdb906dacfd13c1e6329347bc597655230f

Split-Screen/android_device_samsung_n5100,Split-Screen/android_device_samsung_n5100,cyandream-devices/android_device_samsung_n5100,CyanogenMod/android_device_samsung_n5100,CyanogenMod/android_device_samsung_n5100,cyandream-devices/android_device_samsung_n5100,CyanogenMod/android_device_samsung_n5100,Split-Screen/android_device_samsung_n5100