Fix: Preserve native animated value after animated component unmount (#28841)

Summary:
After animation has been finished using Native driver there is no final value passed from the native to JS side. This causes a bug from https://github.com/facebook/react-native/issues/28114.

This PR solves this problem in the same way as `react-native-reanimated` library. When detaching it is calling native side to get the last value from Animated node and stores it on the JS side.

Preserving animated value even if animation was using `useNativeDriver: true`
Fixes https://github.com/facebook/react-native/issues/28114

## Changelog

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[Internal] [Fixed] - Save native Animated node value on JS side in detach phase
Pull Request resolved: https://github.com/facebook/react-native/pull/28841

Test Plan: Unit tests for added getValue method passed. Green CI

Reviewed By: mdvacca

Differential Revision: D22211499

Pulled By: JoshuaGross

fbshipit-source-id: 9a3a98a9f9a8536fe2c8764f667cdabe1f6ba82a

ReactAndroid/src/main/java/com/facebook/fbreact/specs/NativeAnimatedModuleSpec.java

@@ -66,6 +66,9 @@ public abstract class NativeAnimatedModuleSpec extends ReactContextBaseJavaModul
   public abstract void startAnimatingNode(double animationId, double nodeTag, ReadableMap config,
       Callback endCallback);
 
+  @ReactMethod
+  public abstract void getValue(double tag, Callback saveValueCallback);
+
   @ReactMethod
   public abstract void stopListeningToAnimatedNodeValue(double tag);
 

ReactAndroid/src/main/java/com/facebook/fbreact/specs/jni/FBReactNativeSpec-generated.cpp

@@ -186,6 +186,10 @@ namespace facebook {
       return static_cast<JavaTurboModule&>(turboModule).invokeJavaMethod(rt, VoidKind, "createAnimatedNode", "(DLcom/facebook/react/bridge/ReadableMap;)V", args, count);
     }
 
+    static facebook::jsi::Value __hostFunction_NativeAnimatedModuleSpecJSI_getValue(facebook::jsi::Runtime& rt, TurboModule &turboModule, const facebook::jsi::Value* args, size_t count) {
+      return static_cast<JavaTurboModule&>(turboModule).invokeJavaMethod(rt, VoidKind, "getValue", "(DLcom/facebook/react/bridge/Callback;)V", args, count);
+    }
+
     static facebook::jsi::Value __hostFunction_NativeAnimatedModuleSpecJSI_startListeningToAnimatedNodeValue(facebook::jsi::Runtime& rt, TurboModule &turboModule, const facebook::jsi::Value* args, size_t count) {
       return static_cast<JavaTurboModule&>(turboModule).invokeJavaMethod(rt, VoidKind, "startListeningToAnimatedNodeValue", "(D)V", args, count);
     }
@@ -265,6 +269,9 @@ namespace facebook {
         methodMap_["createAnimatedNode"] = MethodMetadata {2, __hostFunction_NativeAnimatedModuleSpecJSI_createAnimatedNode};
         
         
+        methodMap_["getValue"] = MethodMetadata {2, __hostFunction_NativeAnimatedModuleSpecJSI_getValue};
+        
+        
         methodMap_["startListeningToAnimatedNodeValue"] = MethodMetadata {1, __hostFunction_NativeAnimatedModuleSpecJSI_startListeningToAnimatedNodeValue};
         
         

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

@@ -774,4 +774,16 @@ public class NativeAnimatedModule extends NativeAnimatedModuleSpec
   public void removeListeners(double count) {
     // iOS only
   }
+
+  @Override
+  public void getValue(final double animatedValueNodeTagDouble, final Callback callback) {
+    final int animatedValueNodeTag = (int) animatedValueNodeTagDouble;
+    mOperations.add(
+        new UIThreadOperation() {
+          @Override
+          public void execute(NativeAnimatedNodesManager animatedNodesManager) {
+            animatedNodesManager.getValue(animatedValueNodeTag, callback);
+          }
+        });
+  }
 }

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

@@ -352,6 +352,15 @@ import java.util.Queue;
     propsAnimatedNode.disconnectFromView(viewTag);
   }
 
+  public void getValue(int tag, Callback callback) {
+    AnimatedNode node = mAnimatedNodes.get(tag);
+    if (node == null || !(node instanceof ValueAnimatedNode)) {
+      throw new JSApplicationIllegalArgumentException(
+          "Animated node with tag " + tag + " does not exists or is not a 'value' node");
+    }
+    callback.invoke(((ValueAnimatedNode) node).getValue());
+  }
+
   public void restoreDefaultValues(int animatedNodeTag) {
     AnimatedNode node = mAnimatedNodes.get(animatedNodeTag);
     // Restoring default values needs to happen before UIManager operations so it is