Started failing at 0b737ac5.

https://github.com/flutter/flutter/commit/737a55ef3e47036220e72f3b3e17353d461b5fab

This Fuchsia-specific code is moving into Fuchsia itself.

Returns a dump of the application's render tree.

because this is the most full-featured sample we have.

This fixes minor issues I ran into while using Flutter.

These now match what 2016.3 expects.

Q: What happens if we set time dilation to zero?
A: It would be bad.

@hixie told me to add me to the list, see https://github.com/flutter/flutter/pull/6833#issuecomment-260418501

Fixes #5695

* Fixes Analysis Server regression (https://github.com/dart-lang/sdk/issues/27856).
* Adds `front_end` dependency override (required by analyzer).

- [x] Remove the two stage initial boot process.
- [x] Remove the loader screen app.
- [x] Don't report reload times for the initial reload because we are
switching from a snapshot to source and that will always be worst case.

Declares a top-level getter that returns the outputs directory to which
Flutter Driver tests can write any output files. Timeline data defaults
to this directory.

#6972