SUPL_MODE being set to standlaone only is
valid and needs to be accepted by HAL.
Bug: 37947277
Change-Id: Ib9d0073c304305f0fafaea1940ce292450eaa9f7
CRs-fixed: 2044643
Overwrites the default hidl gnss hal implementation
to interface directly to LocationAPI
CRs-fixed: 1112712
Change-Id: I3385911956c0c6c457202a8584b108046c587b36