Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/28730
Moving RuntimeExecutor out of react/utils and into its own subdir of ReactCommon. I'm doing this because I'm going to be pulling this into CatalystInstance on Android, and I don't want to pull in all the files we don't need there; also, this should hopefully make the OSS NDK stuff easier (this uses the react/utils prefix to export, and I'm not sure if you can include a '/' in a gradle module name?)
Changelog: [Internal]
Reviewed By: shergin, mdvacca
Differential Revision: D21098528
fbshipit-source-id: 9fbd72901ece522b1caec3ec34fafb8f9b327275
Emily Janzer