The VehiclePropValue response for OBD2_FREEZE_FRAME_INFO didn't have the property ID set correctly

Test: make vts BUILD_GOOGLE_VTS=true -j32 && vts-tradefed run commandAndExit vts -m VtsHalAutomotiveVehicleV2_1Host
Change-Id: I9b4d5f19657301f2d1c98c0811dcfa39cca85381
diff --git a/automotive/vehicle/2.1/default/impl/vhal_v2_1/EmulatedVehicleHal.cpp b/automotive/vehicle/2.1/default/impl/vhal_v2_1/EmulatedVehicleHal.cpp
index 46e062b..4faccbd 100644
--- a/automotive/vehicle/2.1/default/impl/vhal_v2_1/EmulatedVehicleHal.cpp
+++ b/automotive/vehicle/2.1/default/impl/vhal_v2_1/EmulatedVehicleHal.cpp
@@ -189,6 +189,7 @@
         timestamps.push_back(freezeFrame.timestamp);
     }
     outValue->value.int64Values = timestamps;
+    outValue->prop = OBD2_FREEZE_FRAME_INFO;
     return V2_0::StatusCode::OK;
 }