The platform.http_server defined here:
https://github.com/catapult-project/catapult/blob/86c17b98f5364a8a3f903df3d946ea7afe4d729b/telemetry/telemetry/core/platform.py#L390

Should be owned by the network_controller instead:
https://cs.chromium.org/chromium/src/third_party/catapult/telemetry/telemetry/core/network_controller.py?rcl=ccd8621a0389fea575a8b929b00629c9bea453f6

For rationale and history of this bug see:
https://github.com/catapult-project/catapult/issues/1977