59209 Support .flutter-plugins-dependencies (cla: yes, platform-ios, team, tool, waiting for tree to go green)

59210 Do not depend on embedded $dartUriBase (tool)

59215 [flutter_tools] Update roll_dev.dart (cla: yes, team, tool, waiting for tree to go green)

59217 Deprecate make-host-app-editable (a: existing-apps, cla: yes, tool, waiting for tree to go green)

59250 Don’t crash on requests for invalid package URLs (cla: yes, tool, waiting for tree to go green)

59283 [versions] Update all the versions (cla: yes, team, tool)

59285 Remove Fuchsia BUILD.gn files (a: internationalization, a: tests, cla: yes, framework, team, tool, waiting for tree to go green)