Add EVS v1.1 interface

Extends existing v1.0 interfaces to support more functionalities and
adds corresponding test cases.

Bug: 135472573
Test: VTS
Change-Id: I5245238e6a18ddc2c0451aaa21a9cce55c6207eb
Signed-off-by: Changyeon Jo <changyeon@google.com>
diff --git a/automotive/evs/1.1/IEvsCameraStream.hal b/automotive/evs/1.1/IEvsCameraStream.hal
new file mode 100644
index 0000000..cd058a5
--- /dev/null
+++ b/automotive/evs/1.1/IEvsCameraStream.hal
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2019 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 android.hardware.automotive.evs@1.1;
+
+import @1.0::IEvsCameraStream;
+
+/**
+ * Implemented on client side to receive asynchronous video frame deliveries.
+ */
+interface IEvsCameraStream extends @1.0::IEvsCameraStream {
+    /**
+     * Receives calls from the HAL each time an event happens.
+     *
+     * @param  event EVS event with possible event information.
+     */
+    oneway notifyEvent(EvsEvent event);
+};