Settings: option to disable the lockscreen widget frame (2/2)

Change-Id: I94fe3fe9a01b55014750b740f9dd912acd332d0f
add a config to remove the tap to wake preference by default (2/2)

Change-Id: Ib0a24fc1bea58bb88d505fbc0fb541a9fb5a036e
make the tap to wake setting survive reboots

Change-Id: Ia051216698dcedd57de69750e6d8d6b0d8ea4cc7