Disable features of `flutter run` that depend on the service protocol when running in release mode (#6571)

Fixes #4166.
Fixes #5120.
Fixes #5399.
Fixes #6507.

* add a pause parameter to the reload command

* encode OperationResult as json

* reverse isOk logic

* fix an issue where --hot would not exit

* add type annotations

- [x] Refactor view support into separate classes.
- [x] Make the hot runner grab the main view and call runFromSource on it.
- [x] Remove Device.needsDevFS (because it is always true).

* send the base uri back to debuggers

* add a fullRestart parameter to app.restart

* add await

* support hot mode from the daemon protocol

* move method params to constructor