Reviewed By: aaronabramov Differential Revision: D33367752 fbshipit-source-id: 4ce94d184485e5ee0a62cf67ad2d3ba16e285c8f
useMergeRefs
Summary: Creates `useMergeRefs` which will be used by components in React Native. Changelog: [Internal] Reviewed By: lunaleaps Differential Revision: D28862439 fbshipit-source-id: 60eac7bcd6cceb06ee82181386b4712d642f5404