Add camera.metadata@3.3

To be used by camera.device@3.4; unfortunately the versioning is
now skewing since no metadata additions were needed for device@3.3

Includes the earlier-added control.afSceneChange entry.

Test: hidl-gen, hidl-doc, builds
Bug: 64847201
Change-Id: I341a018a7eccf63758e356e9b426a41b575ade9f

camera/metadata/3.3/Android.bp

@@ -0,0 +1,21 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.camera.metadata@3.3",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+    ],
+    interfaces: [
+        "android.hardware.camera.metadata@3.2",
+    ],
+    types: [
+        "CameraMetadataEnumAndroidControlAfSceneChange",
+        "CameraMetadataTag",
+    ],
+    gen_java: true,
+}
+

camera/metadata/3.3/types.hal

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+/*
+ * Autogenerated from camera metadata definitions in
+ * /system/media/camera/docs/metadata_definitions.xml
+ * *** DO NOT EDIT BY HAND ***
+ */
+
+package android.hardware.camera.metadata@3.3;
+
+/* Include definitions from all prior minor HAL metadata revisions */
+import android.hardware.camera.metadata@3.2;
+
+// No new metadata sections added in this revision
+
+/**
+ * Main enumeration for defining camera metadata tags added in this revision
+ *
+ * <p>Partial documentation is included for each tag; for complete documentation, reference
+ * '/system/media/camera/docs/docs.html' in the corresponding Android source tree.</p>
+ */
+enum CameraMetadataTag : @3.2::CameraMetadataTag {
+    /** android.control.afSceneChange [dynamic, enum, public]
+     *
+     * <p>Whether a significant scene change is detected within the currently-set AF
+     * region(s).</p>
+     */
+    ANDROID_CONTROL_AF_SCENE_CHANGE = android.hardware.camera.metadata@3.2::CameraMetadataTag:ANDROID_CONTROL_END,
+
+    ANDROID_CONTROL_END_3_3,
+
+};
+
+/*
+ * Enumeration definitions for the various entries that need them
+ */
+
+/** android.control.afSceneChange enumeration values
+ * @see ANDROID_CONTROL_AF_SCENE_CHANGE
+ */
+enum CameraMetadataEnumAndroidControlAfSceneChange : uint32_t {
+    ANDROID_CONTROL_AF_SCENE_CHANGE_NOT_DETECTED,
+    ANDROID_CONTROL_AF_SCENE_CHANGE_DETECTED,
+};