Moves a single Bluetooth test under the wpt/http/ directory to its
rightful place under wpt/bluetooth.

BUG=509038

Change-Id: I9eaa21858c74fedba2a91c508b4097609f8c69a6
Reviewed-on: https://chromium-review.googlesource.com/951882
Commit-Queue: Ovidio Henriquez <[email protected]>
Reviewed-by: Conley Owens <[email protected]>
Reviewed-by: Philip Jägenstedt <[email protected]>
Cr-Commit-Position: refs/heads/master@{#541219}