Alan Agius 2a1b6b1dc7 fix(@angular-devkit/build-angular): separate initial total size in build output
```
Initial Chunk Files                      | Names                |      Size
main-es5.6f60fbc22c7e19b5d179.js         | main                 | 154.89 kB
main-es2015.6f60fbc22c7e19b5d179.js      | main                 | 135.87 kB
polyfills-es5.0351d1276e488726c8dc.js    | polyfills-es5        | 129.34 kB
polyfills-es2015.904e51532a46df6b991c.js | polyfills            |  36.12 kB
scripts.b7f93721b30caf483f97.js          | scripts              |   3.45 kB
runtime-es2015.76bfea807ccb0a24e182.js   | runtime              |   1.45 kB
runtime-es5.76bfea807ccb0a24e182.js      | runtime              |   1.45 kB
styles.3ff695c00d717f2d2a11.css          | styles               |   0 bytes

                                         | Initial ES5 Total    | 289.13 kB
                                         | Initial ES2015 Total | 176.88 kB
```

Closes #19330
2020-11-12 13:15:59 -05:00
..

Angular Webpack Build Facade

WIP