Assume LTE location info is base 10 but allow 16 or 8.

Previously it was base 16 but somewhere along the line it changed
to base 10. The code is now changed to use the decode method which
assumes base 10 but also accepts base 16 (prefix 0x, 0X, #) or
base 8 (prefix 0).

Bug:  7651566
Change-Id: Icae05dcbee9c1092fce2f594a1e179bbd3e1426a