Revert D31147242: Merge base AppleTVOS flags into base Apple flags (take #4)
Revert D31147242: Merge base AppleTVOS flags into base Apple flags (take #4)

Differential Revision:
D31147242 (https://github.com/facebook/react-native/commit/92c1bee5f9cf88c4b351778c79e45526dc52f077)

Original commit changeset: deef1f1b39eb

fbshipit-source-id: d4d3c7546e4e2bcf59a72c7c865ee7d9218ab0d6

facebook/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,facebook/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native,facebook/react-native,javache/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native