Add VehicleHal utilities.

Add some utility functions to AIDL VHAL.

Test: atest VehicleHalVehicleUtilsTest
Bug: 199337732
Change-Id: I9e74161efecf7c66caa2f52177fbdd43cdc9d68b
diff --git a/automotive/vehicle/aidl/impl/Android.bp b/automotive/vehicle/aidl/impl/Android.bp
new file mode 100644
index 0000000..0b98c7e
--- /dev/null
+++ b/automotive/vehicle/aidl/impl/Android.bp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_defaults {
+    name: "VehicleHalDefaults",
+    static_libs: [
+        "android.hardware.automotive.vehicle-V1-ndk_platform",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libutils",
+    ],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+}