Fix "Running on device" in RNTester README

[osdnk]

Summary

Fix broken link

Changelog

[CATEGORY] [TYPE] - Message

Test Plan

[pull-bot]

Messages

📖

📋 Verify Changelog Format - A changelog entry has the following format: [CATEGORY] [TYPE] - Message. Details CATEGORY may be: General iOS Android JavaScript Internal (for changes that do not need to be called out in the release notes) TYPE may be: Added, for new features. Changed, for changes in existing functionality. Deprecated, for soon-to-be removed features. Removed, for now removed features. Fixed, for any bug fixes. Security, in case of vulnerabilities. MESSAGE may answer "what and why" on a feature level. Use this to briefly tell React Native users about notable changes.

Generated by 🚫 dangerJS against c8b7e70

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
ios	-	universal	n/a	--

Base commit: a950634

[analysis-bot]

Platform	Engine	Arch	Size (bytes)	Diff
android	hermes	arm64-v8a	8,957,348	+0
android	hermes	armeabi-v7a	8,490,627	+0
android	hermes	x86	9,377,567	+0
android	hermes	x86_64	9,342,887	+0
android	jsc	arm64-v8a	10,639,592	+0
android	jsc	armeabi-v7a	9,560,390	+0
android	jsc	x86	10,654,090	+0
android	jsc	x86_64	11,263,091	+0

Base commit: a950634

[facebook-github-bot]

@GijsWeterings has imported this pull request. If you are a Facebook employee, you can view this diff on Phabricator.

[facebook-github-bot]

@GijsWeterings merged this pull request in 21b2d6c.