update hot reload benchmark to be more representative

Removes a comment that is left over from early iterations of the
template.

* refactor update_icons

* fix trailing space

* address feedback

* add platform adaptive icons

* fix merge conflict

* Update dartdoc

* Address feedback

* Specify types

* Add tests

* fix indentation

* Remove trailing space

* Remove isCupertino static bool

This reverts commit aab9a76e.

This reverts commit abdd65fc.

* NNBD gen-l10n generated code

* preserve detailFiles entry in TaskResult JSON

Implements the following:
  - If both --host-vmservice-port and --dds-port are specified, use the current behavior
  - If only --host-vmservice-port is specified and dds is enabled, use that for the dds port
  - If only --dds-port is specified, use that for the dds port

Fixes https://github.com/flutter/flutter/issues/70332

* Add examples for LinearProgressIndicator

* Add examples for CircularProgressIndicator

* Change name Linear  -> Circular

* Remove unnecessary changes

* Add images to docs

* Fix semi-colon bugs

* Fix trailing spaces

* Fix more semicolon bugs

* Remove imports in docs

* Remove error causing line breaks

* Add ticker providers

* Add more ticker providers

* Remove assets and combine samples

* Removed 6 samples

* Remove unnecessary animation
Co-authored-by: John Ryan <ryjohn@google.com>

* Remove unnecessary animation
Co-authored-by: John Ryan <ryjohn@google.com>

* Use material theme
Co-authored-by: John Ryan <ryjohn@google.com>

* Apply suggestions from code review
Co-authored-by: John Ryan <ryjohn@google.com>

This reverts commit 9b56241e.

This removes the last couple of doc references to the Window class in the framework, so that I can re-land the engine side change that removes the Window class (flutter/engine#22505).