Add AGnss AIDL HAL (hardware/interfaces)

Bug: 205185251
Test: atest VtsHalGnssTargetTest

Change-Id: Id7ea7f4e3cf274af237bb600ad02d573eea3ed70
diff --git a/gnss/aidl/default/Android.bp b/gnss/aidl/default/Android.bp
index b6df895..1236714 100644
--- a/gnss/aidl/default/Android.bp
+++ b/gnss/aidl/default/Android.bp
@@ -55,6 +55,7 @@
         "android.hardware.gnss-V2-ndk",
     ],
     srcs: [
+        "AGnss.cpp",
         "Gnss.cpp",
         "GnssBatching.cpp",
         "GnssGeofence.cpp",