Resolve one race condition issue in GnssAdapter

It is possible that getServerUrl() and getMoServerUrl()
are called from different thread at same time, race
condition will happen. Move all getServerUrl() and
getMoServerUrl() to GnssAdapter's MsgTask.

Change-Id: Idb34c9993b5ddff7389272540810bcf7508b4860
CRs-Fixed: 2934832
2 files changed