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Samuel Susla
6351064b75
Summary: changelog: [internal] React on web uses microtasks to schedule a synchronous update for discrete event. Microtasks are not yet available in React Native and as a fallback, React uses native scheduler and task with immediate priority. Until Microtasks are in place, React Native needs to make sure all immediate tasks are executed after it dispatches each event. I tried to stay as close to [microtask standard](https://developer.mozilla.org/en-US/docs/Web/API/queueMicrotask) as I reasonably could. Once microtasks on RN are shipped, this code can be removed. Reviewed By: mdvacca Differential Revision: D33742583 fbshipit-source-id: eddebb1bd5131ee056252faad48327a70de78a4a