Rename from VoWIFI to WIFI.

Make capability labeling for calls over Wifi more generic.

Bug: 19151548
Change-Id: I8b4adb0fb6f1e09f7c16d2d0f48bc7fe849a289e
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index 03fec01..f8468d7 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -124,10 +124,10 @@
     public static final int CAPABILITY_HIGH_DEF_AUDIO = 0x00000400;
 
     /**
-     * Connection is using voice over WIFI.
+     * Connection is using WIFI.
      * @hide
      */
-    public static final int CAPABILITY_VoWIFI = 0x00000800;
+    public static final int CAPABILITY_WIFI = 0x00000800;
 
     /**
      * Connection is able to be separated from its parent {@code Conference}, if any.
@@ -227,8 +227,8 @@
         if (can(capabilities, CAPABILITY_HIGH_DEF_AUDIO)) {
             builder.append(" CAPABILITY_HIGH_DEF_AUDIO");
         }
-        if (can(capabilities, CAPABILITY_VoWIFI)) {
-            builder.append(" CAPABILITY_VoWIFI");
+        if (can(capabilities, CAPABILITY_WIFI)) {
+            builder.append(" CAPABILITY_WIFI");
         }
         if (can(capabilities, CAPABILITY_GENERIC_CONFERENCE)) {
             builder.append(" CAPABILITY_GENERIC_CONFERENCE");