[Windows] Install the WSL distribution if it's not installed along with WSL installation

[123lzxm]

After installing the WSL, will check if the distributions is also installed together. If not, will install the distribution.

[vmwclabot]

@123lzxm, you must sign every commit in this pull request acknowledging our Developer Certificate of Origin before your changes are merged. This can be done by adding Signed-off-by: John Doe <[email protected]> to the last line of each Git commit message. The e-mail address used to sign must match the e-mail address of the Git author. Click here to view the Developer Certificate of Origin agreement.

• Commit 05c9953 has a no-reply/unreachable author email address: [email protected]

[Tomorrow9]

LGTM, thanks!

[keirazhang]

LGTM. Thanks!