Update david-j-hu's email
Update david-j-hu's email

Change-Id: I3eb9c821959a9bbeff911b80fa8be145c91b36bb

0xf2/stackalytics,openstack/stackalytics,0xf2/stackalytics,stackforge/stackalytics,stackforge/stackalytics,openstack/stackalytics,stackforge/stackalytics,Mirantis/stackalytics,Mirantis/stackalytics,Mirantis/stackalytics,0xf2/stackalytics,openstack/stackalytics,0xf2/stackalytics,openstack/stackalytics