Add support for RCTImageView in FlatShadowHierarchyManager

Summary: @public This patch adds basic support for RCTImageView (only 'src', 'tintColor' and 'resizeMode' properties are supported for now), and a concept of AttachDetachListener that is required to support it to FlatUIImplementations.

Reviewed By: sriramramani

Differential Revision: D2564389

ReactAndroid/src/main/java/com/facebook/react/flat/RCTImageViewManager.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package com.facebook.react.flat;
+
+/* package */ final class RCTImageViewManager extends VirtualViewManager<RCTImageView> {
+
+  @Override
+  public String getName() {
+    return "RCTImageView";
+  }
+
+  @Override
+  public RCTImageView createShadowNodeInstance() {
+    return new RCTImageView(new DrawImageWithPipeline());
+  }
+
+  @Override
+  public Class<RCTImageView> getShadowNodeClass() {
+    return RCTImageView.class;
+  }
+}