RN: Implement sendAccessibilityEvent in RN Renderer that proxies between Fabric/non-Fabric#20554

JoshuaGross merged 8 commits into

facebook:masterfacebook/react:masterfrom

JoshuaGross:rn-hostcomponent-sendaccessibilityevent-initJoshuaGross/react:rn-hostcomponent-sendaccessibilityevent-initCopy head branch name to clipboard