Move DebugEnvironment helper to open source
Move DebugEnvironment helper to open source

Summary:
This is an internal only module that we use to detect whether we are in async debugging mode.

Changelog: [Internal]

Reviewed By: yungsters

Differential Revision: D20879780

fbshipit-source-id: 5915f4e1c54a3fda0cf607c77f463120264fdbc4

hammerandchisel/react-native,myntra/react-native,janicduplessis/react-native,myntra/react-native,javache/react-native,arthuralee/react-native,janicduplessis/react-native,arthuralee/react-native,pandiaraj44/react-native,janicduplessis/react-native,exponentjs/react-native,pandiaraj44/react-native,hoangpham95/react-native,exponent/react-native,exponent/react-native,hoangpham95/react-native,janicduplessis/react-native,javache/react-native,myntra/react-native,janicduplessis/react-native,exponent/react-native,facebook/react-native,facebook/react-native,janicduplessis/react-native,myntra/react-native,janicduplessis/react-native,exponent/react-native,exponentjs/react-native,hoangpham95/react-native,myntra/react-native,facebook/react-native,hammerandchisel/react-native,javache/react-native,hammerandchisel/react-native,arthuralee/react-native,pandiaraj44/react-native,myntra/react-native,myntra/react-native,hoangpham95/react-native,facebook/react-native,facebook/react-native,hoangpham95/react-native,facebook/react-native,exponent/react-native,exponentjs/react-native,myntra/react-native,pandiaraj44/react-native,exponentjs/react-native,javache/react-native,hoangpham95/react-native,exponentjs/react-native,exponentjs/react-native,javache/react-native,hammerandchisel/react-native,janicduplessis/react-native,hammerandchisel/react-native,facebook/react-native,pandiaraj44/react-native,exponentjs/react-native,facebook/react-native,hammerandchisel/react-native,javache/react-native,pandiaraj44/react-native,hammerandchisel/react-native,javache/react-native,javache/react-native,hammerandchisel/react-native,pandiaraj44/react-native,arthuralee/react-native,exponent/react-native,exponent/react-native,javache/react-native,exponentjs/react-native,myntra/react-native,facebook/react-native,hoangpham95/react-native,exponent/react-native,hoangpham95/react-native,arthuralee/react-native,pandiaraj44/react-native