NetworkPkg:Add a new error status code EFI_HTTP_ERROR

v4:
* Update macro HTTP_ERROR_STATUS to HTTP_ERROR_OR_NOT_SUPPORT_STATUS_CODE
Update copyright year.
When the Error Status of ResponseData returned from HttpIoRecvResponse
function during the Http HEAD method, it should also return error status
to Load file protocol.

Add a new error status code EFI_HTTP_ERROR in corresponding with the
UEFI 2.6 spec . When a HTTP error occurred during the network operation,
The EFI_HTTP_ERROR is returned in token.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>