Expose rootTag / surfaceId as part of schedulerDidRequestPreliminaryViewAllocation method

Summary: This diff exposes rootTag as part of SchedulerDelegate.schedulerDidRequestPreliminaryViewAllocation(). This will be necessary to be able to pool views per Surface in Android

Reviewed By: shergin

Differential Revision: D12875656

fbshipit-source-id: d2a8c1f9bcc6b14c17b34bf59085da44ae3c3416

Author: mdvacca

React/Fabric/RCTScheduler.mm

@@ -27,7 +27,7 @@ void schedulerDidFinishTransaction(Tag rootTag, const ShadowViewMutationList &mu
     [scheduler.delegate schedulerDidFinishTransaction:mutations rootTag:rootTag];
   }
 
-  void schedulerDidRequestPreliminaryViewAllocation(ComponentName componentName) override {
+  void schedulerDidRequestPreliminaryViewAllocation(SurfaceId surfaceId, ComponentName componentName) override {
     RCTScheduler *scheduler = (__bridge RCTScheduler *)scheduler_;
     [scheduler.delegate schedulerDidRequestPreliminaryViewAllocationWithComponentName:RCTNSStringFromString(componentName, NSASCIIStringEncoding)];
   }

ReactCommon/fabric/uimanager/Scheduler.cpp

@@ -186,7 +186,7 @@ void Scheduler::uiManagerDidCreateShadowNode(
     const SharedShadowNode &shadowNode) {
   if (delegate_) {
     delegate_->schedulerDidRequestPreliminaryViewAllocation(
-        shadowNode->getComponentName());
+        shadowNode->getRootTag(), shadowNode->getComponentName());
   }
 }
 

ReactCommon/fabric/uimanager/SchedulerDelegate.h

@@ -32,6 +32,7 @@ class SchedulerDelegate {
    * Called right after a new ShadowNode was created.
    */
   virtual void schedulerDidRequestPreliminaryViewAllocation(
+      SurfaceId surfaceId,
       ComponentName componentName) = 0;
 
   virtual ~SchedulerDelegate() noexcept = default;