* Adding a timeout and retry to upload results step.

* Adding tests for retries and timeout.

* Adding async to call

* Fixing sleep to trigger the timeout, and adding addition timeout test.

* Fixing minor typo.

* Fixing some minor flutter style issues.

* Adding vs_build dependency to Windows hot_mode_dev_cycle_win_target__benchmark
Co-authored-by: yusufm <mohsinally@google.com>