telephony: do only run setCellInfoListRate for RIL version >= 8
old libraries like those from MR0 don't support this and sending this command causes endless wakelocks

Change-Id: Ia47d366f70841eb9910079e105add407f58e7555
Merge "telephony: do only run setCellInfoListRate for RIL version >= 8 old libraries like those from MR0 don't support this and sending this command causes endless wakelocks" into cm-11.0