Implement release of FabricUIManager resources

Reviewed By: achen1

Differential Revision: D8232155

fbshipit-source-id: 6683c692a830f5a73aab2c606167e54d668ae5c2

ReactAndroid/src/main/java/com/facebook/react/bridge/JSIModuleRegistry.java

@@ -25,4 +25,9 @@ public class JSIModuleRegistry {
     }
   }
 
+  public void notifyJSInstanceDestroy() {
+    for (JSIModuleHolder moduleHolder : mModules.values()) {
+      moduleHolder.notifyJSInstanceDestroy();
+    }
+  }
 }