Define GasTest annotation

Bug: 173645951
Test: make cts
Change-Id: I7c0c6554438f2c59e504970029f7dd458256512b
diff --git a/libraries/compatibility-common-util/src/com/android/compatibility/common/util/GasTest.java b/libraries/compatibility-common-util/src/com/android/compatibility/common/util/GasTest.java
new file mode 100644
index 0000000..f98ac26
--- /dev/null
+++ b/libraries/compatibility-common-util/src/com/android/compatibility/common/util/GasTest.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2020 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 com.android.compatibility.common.util;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Marks the type of test with purpose of asserting GAS requirements.
+ *
+ * <p>The Google Automotive Services (GAS) Partner Requirements are a set of requirements for an
+ * Android Automotive device implementation to properly integrate and be compatible with GAS.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.METHOD, ElementType.TYPE})
+public @interface GasTest {
+    String requirement();
+}