Build 18970

For general Windows information on build 18970 visit the Windows blog.

• [WSL2] Sync time with host time when system resumes from sleep state [GH 4245]
• [WSL2] Create NT symlinks on the Windows volumes when possible.
• [WSL2] Create distros in UTS, IPC, PID, and Mount namespaces.
• [WSL2] Fix localhost port relay when server binds to localhost directly [GH 4353]
• [WSL2] Fix interop when output is redirected [GH 4337]
• [WSL2] Support translating absolute NT symlinks.
• [WSL2] Update kernel to 4.19.59
• [WSL2] Properly set subnet mask for eth0.
• [WSL2] Change logic to break out of console worker loop when exit event is signaled.
• [WSL2] Eject distribution vhd when the distro is not running.
• [WSL2] Fix config parsing library to correctly handle empty values.
• [WSL2] Support Docker Desktop by creating cross distro mounts. A distro can opt-in to this behavior by adding the following line to the /etc/wsl.conf file:

[automount]
crossDistro = true