Fix ViewPager behavior with Nodes

Summary: @public Add a batch addition operation for ViewPager.

Differential Revision: D3597840

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

@@ -0,0 +1,30 @@
+/**
+ * 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;
+
+import java.util.List;
+
+import android.view.View;
+
+import com.facebook.react.views.viewpager.ReactViewPager;
+import com.facebook.react.views.viewpager.ReactViewPagerManager;
+
+/* package */ class RCTViewPagerManager extends ReactViewPagerManager {
+
+  @Override
+  public void addViews(ReactViewPager parent, List<View> views) {
+    parent.setViews(views);
+  }
+
+  @Override
+  public void removeAllViews(ReactViewPager parent) {
+    parent.removeAllViewsFromAdapter();
+  }
+}