Add lights 2.0 hal.

Bug: 32022100
Test: make android.harware.light@2.0
Change-Id: I2f326f91d43f6dc6922f0c12fd7c764d6a992ca2
diff --git a/light/2.0/ILight.hal b/light/2.0/ILight.hal
new file mode 100644
index 0000000..a7cd684
--- /dev/null
+++ b/light/2.0/ILight.hal
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2016 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.light@2.0;
+
+interface ILight {
+
+    /**
+     * Set the provided lights to the provided values.
+     *
+     * @param type logical light to set
+     * @param state describes what the light should look like.
+     * @return status result of applying state transformation.
+     */
+    setLight(Type type, LightState state) generates (Status status);
+
+    /**
+     * Discover what indicator lights are available.
+     *
+     * @return types list of available lights
+     */
+    getSupportedTypes() generates (vec<Type> types);
+
+};