Enable RuntimeScheduler::callExpiredTasks on Android

Summary:
changelog: [internal]

In order to call `RuntimeScheduler::callExpiredTasks`, we need to pass it to `Scheduler` through context container.

Reviewed By: javache

Differential Revision: D34042293

fbshipit-source-id: 62d18507fb107c5be2ac9d003f63735aab6a09ac

Author: sammy-SC

ReactAndroid/src/main/java/com/facebook/react/fabric/jni/Binding.cpp

@@ -396,6 +396,9 @@ void Binding::installFabricUIManager(
               std::function<void(jsi::Runtime & runtime)> &&callback) {
             runtimeScheduler->scheduleWork(std::move(callback));
           };
+      contextContainer->insert(
+          "RuntimeScheduler",
+          std::weak_ptr<RuntimeScheduler>(runtimeScheduler));
     }
   }