Add support for DiffClamp node

Summary:
Add native support on iOS and Android for `Animated.diffClamp` that was added in #9419.

**Test plan**
Tested that it works properly using the native animations UIExplorer example.
Closes https://github.com/facebook/react-native/pull/9691

Differential Revision: D3813440

fbshipit-source-id: 48a3ecddf3708fa44b408954d3d8133ec8537f21

ReactAndroid/src/main/java/com/facebook/react/animated/DiffClampAnimatedNode.java

@@ -0,0 +1,53 @@
+/**
+ * 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.animated;
+
+import com.facebook.react.bridge.JSApplicationCausedNativeException;
+import com.facebook.react.bridge.ReadableMap;
+
+/*package*/ class DiffClampAnimatedNode extends ValueAnimatedNode {
+  private final NativeAnimatedNodesManager mNativeAnimatedNodesManager;
+  private final int mInputNodeTag;
+  private final double mMin;
+  private final double mMax;
+
+  private double mLastValue;
+
+  public DiffClampAnimatedNode(
+    ReadableMap config,
+    NativeAnimatedNodesManager nativeAnimatedNodesManager) {
+    mNativeAnimatedNodesManager = nativeAnimatedNodesManager;
+    mInputNodeTag = config.getInt("input");
+    mMin = config.getDouble("min");
+    mMax = config.getDouble("max");
+
+    mValue = mLastValue = getInputNodeValue();
+  }
+
+  @Override
+  public void update() {
+    double value = getInputNodeValue();
+
+    double diff = value - mLastValue;
+    mLastValue = value;
+    mValue = Math.min(Math.max(mValue + diff, mMin), mMax);
+  }
+
+  private double getInputNodeValue() {
+    AnimatedNode animatedNode = mNativeAnimatedNodesManager.getNodeById(mInputNodeTag);
+    if (animatedNode == null || !(animatedNode instanceof ValueAnimatedNode)) {
+      throw new JSApplicationCausedNativeException("Illegal node ID set as an input for " +
+        "Animated.DiffClamp node");
+
+    }
+
+    return ((ValueAnimatedNode) animatedNode).mValue;
+  }
+}