Update Debug Agent initialization message to change the version string from "1.3.1" to "1.4"

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15118 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed