RNTester: Cleanup ViewExample.js
RNTester: Cleanup ViewExample.js

Summary: Minor cleanup of ViewExample.js in the RNTester.

Reviewed By: sahrens

Differential Revision: D8690133

fbshipit-source-id: d034f6d215679dac7f19fab90729bb7e7ef39edd

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