fix(@angular/cli): Do not use floating promises, we can resolve these…#17652

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timfrijtersppw wants to merge 2 commits intoangular:masterfrom

timfrijtersppw:fix-promise-handling

Commits on May 6, 2020

fix(@angular/cli): Do not use floating promises, we can resolve these promises by returning them.
timfrijtersppw
committed
fix(@angular/cli): Functions that return promises must be async
timfrijtersppw
committed