ULP will no longer be loaded and init'ed from loc eng
HAL. GPS HAL will look for ULP once it completes init
and waits for a msg back once it hears from ULP. This
is done with introduction of UlpProxy. Default proxy
is a no op proxy.
Change-Id: If0be0b5744f9de20f12c2f0b9704dea66aa454c0
(cherry picked from commit 2eb4ddcae94283df6c6be450c4c070ffd8ff9cd7)
