Bug 454183 - [http] Update implementation of legacy HttpService on top
of the whiteboard implementation

Change-Id: I9b63d53c401e445da150aac0895243e14b8da5dd
Signed-off-by: Thomas Watson <tjwatson@us.ibm.com>
Bug 454183 - [http] Update implementation of legacy HttpService on top
of the whiteboard implementation

 - update the tests

Change-Id: Id8af5e5a4588feaf97d72ae07f1018df5f4d8550
Signed-off-by: Thomas Watson <tjwatson@us.ibm.com>