Roll Flutter from 1994027986cf to a4a8e73bce15 (31 revisions)#5782

fluttergithubbot merged 31 commits into

flutter-team-archive:mainflutter-team-archive/plugins:mainfrom

engine-flutter-autoroll:flutter-plugins-6b196287-db48-4780-aa20-e0f66818215b-1652892988engine-flutter-autoroll/plugins:flutter-plugins-6b196287-db48-4780-aa20-e0f66818215b-1652892988Copy head branch name to clipboard