Allow creating EAP_TLS network without specifying Phase2.None

Phase2 isn't required for EAP_TLS networks, and it is possible
for a developer to miss it. We are requiring it for internal
book keeping - so this change just sets Phase2 to 'None' when
EAP_TLS is set on the configuration.

Bug: 17043082
Change-Id: I5a8e0a3a236d0dfd1295584de55d5b9a1b76b483

wifi/java/android/net/wifi/WifiEnterpriseConfig.java

@@ -271,9 +271,11 @@ public class WifiEnterpriseConfig implements Parcelable {
     public void setEapMethod(int eapMethod) {
         switch (eapMethod) {
             /** Valid methods */
+            case Eap.TLS:
+                setPhase2Method(Phase2.NONE);
+                /* fall through */
             case Eap.PEAP:
             case Eap.PWD:
-            case Eap.TLS:
             case Eap.TTLS:
             case Eap.SIM:
             case Eap.AKA: