Add GNSS HAL service

Bug: 31974439
Test: GPS Location available on Maps(on Angler).

Change-Id: I17ba8fab47bc25a1158089ec2b8e8cd54ec650e1

gnss/1.0/default/Android.mk

@@ -27,3 +27,27 @@ LOCAL_SHARED_LIBRARIES := \
     libhardware
 
 include $(BUILD_SHARED_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_MODULE := android.hardware.gnss@1.0-service
+LOCAL_INIT_RC := android.hardware.gnss@1.0-service.rc
+LOCAL_SRC_FILES := \
+    service.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+    liblog \
+    libcutils \
+    libdl \
+    libbase \
+    libutils \
+    libhardware_legacy \
+    libhardware \
+
+LOCAL_SHARED_LIBRARIES += \
+    libhwbinder \
+    libhidlbase \
+    libhidltransport \
+    android.hardware.gnss@1.0 \
+
+include $(BUILD_EXECUTABLE)

gnss/1.0/default/android.hardware.gnss@1.0-service.rc

@@ -0,0 +1,4 @@
+service gnss_service /system/bin/hw/android.hardware.gnss@1.0-service
+    class main
+    user system
+    group system

gnss/1.0/default/service.cpp

@@ -0,0 +1,12 @@
+#define LOG_TAG "android.hardware.gnss@1.0-service"
+
+#include <android/hardware/gnss/1.0/IGnss.h>
+
+#include <hidl/LegacySupport.h>
+
+using android::hardware::gnss::V1_0::IGnss;
+using android::hardware::defaultPassthroughServiceImplementation;
+
+int main() {
+    return defaultPassthroughServiceImplementation<IGnss>("gnss");
+}