Show "Connected via Wi-Fi assistant" for ephemeral networks.

Bug: 18525241
Change-Id: I0d2146ab47b82d32c50b2ef883f176a6b6066713
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
index 5e30622..699240c 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -323,7 +323,9 @@
                     item.icon = ap.iconId;
                     item.line1 = ap.ssid;
                     if (ap.isConnected) {
-                        item.line2 = mContext.getString(R.string.quick_settings_connected);
+                        item.line2 = mContext.getString(ap.isConfigured ?
+                                R.string.quick_settings_connected :
+                                R.string.quick_settings_connected_via_wfa);
                     }
                     items[i] = item;
                 }