Support EAP-SIM and EAP-AKA

This change un-hides constants for these two methods and
also un-hides RADIUS/AAA FQDN field to allow creating
Passpoint release 1 credentials.

Change-Id: Ia3501017dc1f5c0b4932bb45e1e9c5bf7262d7fe

Author: Vinit Deshpande

api/current.txt

@@ -18336,6 +18336,7 @@ package android.net.wifi {
     method public int describeContents();
     method public void writeToParcel(android.os.Parcel, int);
     field public java.lang.String BSSID;
+    field public java.lang.String FQDN;
     field public java.lang.String SSID;
     field public java.util.BitSet allowedAuthAlgorithms;
     field public java.util.BitSet allowedGroupCiphers;
@@ -18425,9 +18426,11 @@ package android.net.wifi {
   }
 
   public static final class WifiEnterpriseConfig.Eap {
+    field public static final int AKA = 5; // 0x5
     field public static final int NONE = -1; // 0xffffffff
     field public static final int PEAP = 0; // 0x0
     field public static final int PWD = 3; // 0x3
+    field public static final int SIM = 4; // 0x4
     field public static final int TLS = 1; // 0x1
     field public static final int TTLS = 2; // 0x2
   }

wifi/java/android/net/wifi/WifiConfiguration.java

@@ -223,9 +223,8 @@ private Status() { }
      */
     public String BSSID;
     /**
-     * Fully qualified domain name (FQDN), for Passpoint credential.
+     * Fully qualified domain name (FQDN) of AAA server or RADIUS server
      * e.g. {@code "mail.example.com"}.
-     * @hide
      */
     public String FQDN;
     /**

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

@@ -224,9 +224,9 @@ public static final class Eap {
         public static final int TTLS    = 2;
         /** EAP-Password */
         public static final int PWD     = 3;
-        /** EAP-Subscriber Identity Module {@hide} */
+        /** EAP-Subscriber Identity Module */
         public static final int SIM     = 4;
-        /** EAP-Authentication and Key Agreement {@hide} */
+        /** EAP-Authentication and Key Agreement */
         public static final int AKA     = 5;
         /** @hide */
         public static final String[] strings = { "PEAP", "TLS", "TTLS", "PWD", "SIM", "AKA" };