Fix thread lock in AWS, VirtualBox, and VMware (#49)

* Initailize aws support

* Add README for the VM server

* Refactor OSWorld for supporting more cloud services.

* Initialize vmware and aws implementation v1, waiting for verification

* Initlize files for azure, gcp and virtualbox support

* Debug on the VMware provider

* Fix on aws interface mapping

* Fix instance type

* Refactor

* Clean

* Add Azure provider

* hk region; debug

* Fix lock

* Remove print

* Remove key_name requirements when allocating aws vm

* Clean README

* Fix reset

* Fix bugs

* Add VirtualBox and Azure providers

* Add VirtualBox OVF link

* Raise exception on macOS host

* Init RAEDME for VBox

* Update VirtualBox VM download link

* Update requirements and setup.py; Improve robustness on Windows

* Fix network adapter

* Go through on Windows machine

* Add default adapter option

* Fix minor error

* Change resolution before creating snapshot

* Fix small error

* Change default provider option

* Fix thread lock

* Refactor for more smooth VMware support

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Co-authored-by: Timothyxxx <384084775@qq.com>
Co-authored-by: XinyuanWangCS <xywang626@gmail.com>
Co-authored-by: Tianbao Xie <47296835+Timothyxxx@users.noreply.github.com>

desktop_env/providers/base.py

@@ -45,6 +45,7 @@ class Provider(ABC):
 
 
 class VMManager(ABC):
+    checked_and_cleaned = False
 
     @abstractmethod
     def initialize_registry(self, **kwargs):