added header and summary options for roles
added header and summary options for roles

Summary: Added options for summary and header on accessibilityRoles

Reviewed By: PeteTheHeat

Differential Revision: D8866086

fbshipit-source-id: 83bfca678d2308f809e8630b7158a2b4a740c13d

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