Support set/get value in fake vehicle hardware.

Support setValues and getValues in fake vehicle hardware
implementation.

Test: atest FakeVehicleHardwareTest
Bug: 201830716
Change-Id: I4b94408434fd8511ab79d757116b776105d69222
diff --git a/automotive/vehicle/TEST_MAPPING b/automotive/vehicle/TEST_MAPPING
index 4820fd4..c5702aa 100644
--- a/automotive/vehicle/TEST_MAPPING
+++ b/automotive/vehicle/TEST_MAPPING
@@ -8,6 +8,9 @@
     },
     {
       "name": "VehicleHalVehicleUtilsTest"
+    },
+    {
+      "name": "FakeVehicleHardwareTest"
     }
   ]
 }