gps: LocationManager CTS proximity test fix

CTS proximity tests needs to use
GeoFenceManager for GeoFences to be
able to see mock locations

Change-Id: I7696ac4f0985fe526f1eb2dacd177b4db3c658ae
CRs-Fixed: 452172
(cherry picked from commit 43b1e745e0c05139419a0ba401ac39f2660eb82b)
(cherry picked from commit 1ee5f6effacd2e7eecd05829a81f5ad1614cae4f)
(cherry picked from commit d1c6929760149783e8c4927e8777fc7632ec1989)