Summary:
This diff extracts ComponentNameRegistry out of Fabric modules
This is necessary to avoid depending on Fabric and regressing APK size for other RN apps (e.g. IG)
changelog: [internal] internal
Reviewed By: JoshuaGross
Differential Revision: D26765328
fbshipit-source-id: 0a22c4279146f5243473c74a84e78fad7f08f956