RMX1971: overlay: Define multiple vibration intensity levels config f…

…or T

Since commit: https://android.googlesource.com/platform/packages/apps/Settings.git/+/eaaf5331d64ab54ce55a857fc73a186d5f256fc5
multiple intensities configuration flag has been changed to an interger
reflect that change in here to allow multiple intensity vibration pattern in settings.