Don't reject server and CA certs during device ONC validation

chromeos/test/data/network/managed_toplevel_with_server_and_ca_cert.onc

Index: chromeos/test/data/network/managed_toplevel_with_server_and_ca_cert.onc
diff --git a/chromeos/test/data/network/managed_toplevel_with_server_and_ca_cert.onc b/chromeos/test/data/network/managed_toplevel_with_server_and_ca_cert.onc
new file mode 100644
index 0000000000000000000000000000000000000000..3d3dade8e6e14def7c6f93eeb26d73bdd7e6ec9b
--- /dev/null
+++ b/chromeos/test/data/network/managed_toplevel_with_server_and_ca_cert.onc
@@ -0,0 +1,15 @@
+{
+      "Type": "UnencryptedConfiguration",
+      "Certificates":
+      [ { "TrustBits": ["Web"],
+          "GUID": "1",
+          "Type": "Authority",
+          "X509": "abc" },
+        { "GUID": "2",
+          "Type": "Server",
+          "X509": "abc" },
+        { "GUID": "3",
+          "PKCS12": "abc" ,
+          "Type": "Client" }
+      ]
+}