* Add metadrive sim * use monotonic * don't use cuda if it's not available * Cleanup metadrive patches * PR suggestions * fix typo old-commit-hash: e02519bb71
e02519bb71
* sim bridge cleanup * fix carla * remove that exception * pr cleanup * update car in a thread * more cleanup * import sorting * handle exits better old-commit-hash: 7f6718a7cb
7f6718a7cb