Disable AWS S3 virtual addressing (#16443)

* Disable AWS S3 virtual addressing

This fix is related to 16397 and 15159. The fix disables
the virtual addressing of AWS S3, as was suggested in the comment.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Fix format issue.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

* Add comment for the passed parameter of virutal addressing.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>