Debug in vscode (#1048)
Debug in vscode (#1048)

* - BP event includes thread id info
- support THREADS request
- support BACKTRACE request

* - support set/unset breakpoints from vs-code

* - rollback simctl version
watusi/rhodes,rhomobile/rhodes,watusi/rhodes,watusi/rhodes,rhomobile/rhodes,watusi/rhodes,rhomobile/rhodes,watusi/rhodes,rhomobile/rhodes,rhomobile/rhodes,watusi/rhodes,rhomobile/rhodes,watusi/rhodes,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,watusi/rhodes,watusi/rhodes,watusi/rhodes