Native Animated - Restore default values when removing props on Android

Summary:
Rebased version of #12842 that was reverted because of failing fb internal tests.
Closes https://github.com/facebook/react-native/pull/15919

Differential Revision: D5823956

Pulled By: hramos

fbshipit-source-id: 4ece19a403f5ebbe4829c4c26696ea0575ab1d0e

ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java

@@ -979,6 +979,10 @@ public class UIImplementation {
     mOperationsQueue.enqueueUIBlock(block);
   }
 
+  public void prependUIBlock(UIBlock block) {
+    mOperationsQueue.prependUIBlock(block);
+  }
+
   public int resolveRootTagFromReactTag(int reactTag) {
     if (mShadowNodeRegistry.isRootNode(reactTag)) {
       return reactTag;

ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModule.java

@@ -39,6 +39,8 @@ import com.facebook.react.uimanager.debug.NotThreadSafeViewHierarchyUpdateDebugL
 import com.facebook.react.uimanager.events.EventDispatcher;
 import com.facebook.systrace.Systrace;
 import com.facebook.systrace.SystraceMessage;
+
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import javax.annotation.Nullable;
@@ -112,6 +114,7 @@ public class UIManagerModule extends ReactContextBaseJavaModule implements
   private final Map<String, Object> mCustomDirectEvents;
   private final UIImplementation mUIImplementation;
   private final MemoryTrimCallback mMemoryTrimCallback = new MemoryTrimCallback();
+  private final List<UIManagerModuleListener> mListeners = new ArrayList<>();
 
   private int mBatchId = 0;
 
@@ -662,6 +665,9 @@ public class UIManagerModule extends ReactContextBaseJavaModule implements
     SystraceMessage.beginSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "onBatchCompleteUI")
           .arg("BatchId", batchId)
           .flush();
+    for (UIManagerModuleListener listener : mListeners) {
+      listener.willDispatchViewUpdates(this);
+    }
     try {
       mUIImplementation.dispatchViewUpdates(batchId);
     } finally {
@@ -699,10 +705,28 @@ public class UIManagerModule extends ReactContextBaseJavaModule implements
      }
    });
      */
-  public void addUIBlock (UIBlock block) {
+  public void addUIBlock(UIBlock block) {
     mUIImplementation.addUIBlock(block);
   }
 
+  /**
+   * Schedule a block to be executed on the UI thread. Useful if you need to execute
+   * view logic before all currently queued view updates have completed.
+   *
+   * @param block that contains UI logic you want to execute.
+   */
+  public void prependUIBlock(UIBlock block) {
+    mUIImplementation.prependUIBlock(block);
+  }
+
+  public void addUIManagerListener(UIManagerModuleListener listener) {
+    mListeners.add(listener);
+  }
+
+  public void removeUIManagerListener(UIManagerModuleListener listener) {
+    mListeners.remove(listener);
+  }
+
   /**
    * Given a reactTag from a component, find its root node tag, if possible.
    * Otherwise, this will return 0. If the reactTag belongs to a root node, this

ReactAndroid/src/main/java/com/facebook/react/uimanager/UIManagerModuleListener.java

@@ -0,0 +1,21 @@
+/**
+ * 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.uimanager;
+
+/**
+ * Listener used to hook into the UIManager update process.
+ */
+public interface UIManagerModuleListener {
+  /**
+   * Called right before view updates are dispatched at the end of a batch. This is useful if a
+   * module needs to add UIBlocks to the queue before it is flushed.
+   */
+  void willDispatchViewUpdates(UIManagerModule uiManager);
+}

ReactAndroid/src/main/java/com/facebook/react/uimanager/UIViewOperationQueue.java

@@ -758,6 +758,10 @@ public class UIViewOperationQueue {
     mOperations.add(new UIBlockOperation(block));
   }
 
+  public void prependUIBlock(UIBlock block) {
+    mOperations.add(0, new UIBlockOperation(block));
+  }
+
   /* package */ void dispatchViewUpdates(
       final int batchId, final long commitStartTime, final long layoutTime) {
     SystraceMessage.beginSection(