Allow applicationId to be specified on build
Allow applicationId to be specified on build

Summary:
Added the ability to define a specific applicationId (in case it's different to the package name)

<details>
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</details>

We have a specific requirement that our package name differs from the applicationId but not in a way that allows us to add it as a suffix to our package name. I wanted to add the option to specify a specific applicationId.

`react-native run-android --appId <Specific Application Id>`
Closes https://github.com/facebook/react-native/pull/14524

Differential Revision: D5910259

Pulled By: shergin

fbshipit-source-id: 768fbc910f6b520dd18936f6bceeee136fca7025

kesha-antonov/react-native,myntra/react-native,javache/react-native,rickbeerendonk/react-native,exponent/react-native,myntra/react-native,frantic/react-native,myntra/react-native,Bhullnatik/react-native,hoastoolshop/react-native,hammerandchisel/react-native,hoangpham95/react-native,javache/react-native,rickbeerendonk/react-native,pandiaraj44/react-native,Bhullnatik/react-native,ptmt/react-native-macos,cdlewis/react-native,facebook/react-native,kesha-antonov/react-native,dikaiosune/react-native,ptmt/react-native-macos,janicduplessis/react-native,cdlewis/react-native,myntra/react-native,facebook/react-native,dikaiosune/react-native,exponent/react-native,rickbeerendonk/react-native,hoastoolshop/react-native,exponent/react-native,janicduplessis/react-native,arthuralee/react-native,frantic/react-native,rickbeerendonk/react-native,pandiaraj44/react-native,rickbeerendonk/react-native,hammerandchisel/react-native,kesha-antonov/react-native,arthuralee/react-native,Bhullnatik/react-native,arthuralee/react-native,hoangpham95/react-native,facebook/react-native,frantic/react-native,facebook/react-native,ptmt/react-native-macos,dikaiosune/react-native,cdlewis/react-native,janicduplessis/react-native,rickbeerendonk/react-native,jevakallio/react-native,janicduplessis/react-native,exponentjs/react-native,dikaiosune/react-native,ptmt/react-native-macos,hoangpham95/react-native,hammerandchisel/react-native,facebook/react-native,hoastoolshop/react-native,hoastoolshop/react-native,kesha-antonov/react-native,myntra/react-native,hoastoolshop/react-native,rickbeerendonk/react-native,pandiaraj44/react-native,exponentjs/react-native,facebook/react-native,javache/react-native,hammerandchisel/react-native,ptmt/react-native-macos,cdlewis/react-native,pandiaraj44/react-native,jevakallio/react-native,exponent/react-native,ptmt/react-native-macos,myntra/react-native,frantic/react-native,cdlewis/react-native,jevakallio/react-native,cdlewis/react-native,exponentjs/react-native,janicduplessis/react-native,javache/react-native,janicduplessis/react-native,pandiaraj44/react-native,kesha-antonov/react-native,hoastoolshop/react-native,cdlewis/react-native,javache/react-native,pandiaraj44/react-native,Bhullnatik/react-native,hammerandchisel/react-native,kesha-antonov/react-native,arthuralee/react-native,kesha-antonov/react-native,facebook/react-native,arthuralee/react-native,jevakallio/react-native,ptmt/react-native-macos,janicduplessis/react-native,hoangpham95/react-native,jevakallio/react-native,dikaiosune/react-native,exponentjs/react-native,pandiaraj44/react-native,exponent/react-native,jevakallio/react-native,hoastoolshop/react-native,exponentjs/react-native,cdlewis/react-native,dikaiosune/react-native,javache/react-native,hammerandchisel/react-native,myntra/react-native,javache/react-native,myntra/react-native,Bhullnatik/react-native,cdlewis/react-native,hoangpham95/react-native,Bhullnatik/react-native,javache/react-native,ptmt/react-native-macos,exponentjs/react-native,Bhullnatik/react-native,exponent/react-native,exponent/react-native,hoastoolshop/react-native,kesha-antonov/react-native,pandiaraj44/react-native,hoangpham95/react-native,dikaiosune/react-native,exponentjs/react-native,rickbeerendonk/react-native,facebook/react-native,rickbeerendonk/react-native,javache/react-native,hoangpham95/react-native,dikaiosune/react-native,hoangpham95/react-native,frantic/react-native,kesha-antonov/react-native,hammerandchisel/react-native,exponent/react-native,facebook/react-native,jevakallio/react-native,janicduplessis/react-native,jevakallio/react-native,hammerandchisel/react-native,exponentjs/react-native,jevakallio/react-native,myntra/react-native,Bhullnatik/react-native