CP-13694: change default autoupdate URL to 127.0.0.1
CP-13694: change default autoupdate URL to 127.0.0.1

Signed-off-by: Cheng Zhang <f157832f2f1df5a7c962d3abb092f6b1ea020882@citrix.com>

xenserver/win-xenguestagent,kostaslamda/win-xenguestagent,kostaslamda/win-xenguestagent,xenserver/win-xenguestagent