virt-handler: Update logs of grpc server
virt-handler: Update logs of grpc server

Log after the grpc server stop is finished,
in order to record only if it was stopped fully.

Signed-off-by: Or Shoval <7299abc34af50659adafa6d252dc9c537bb5cf36@redhat.com>

stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt,davidvossel/kubevirt