Add IGnssConfiguration AIDL HAL (hardware/interfaces)

In default implementation, both AIDL HAL and the v2.1 HIDL HAL services
are running in the same process. The HIDL HAL implementation is able to
interact with the AIDL HAL implementation.

Bug: 168111993
Bug: 150192654
Test: on cuttlefish
Change-Id: Ib2770780b62a939f6ca447dfb6a6ab888c526fec