Handle switch of ssid to CharSequence (for spans)

Change to reference the string directly for places like search,
etc.

Bug: 20059794
Change-Id: I3305c9833e8aeea52b968c094d0a1881a3e6699e

src/com/android/settings/wifi/WifiConfigController.java

@@ -382,7 +382,7 @@ public class WifiConfigController implements TextWatcher,
             config.hiddenSSID = true;
         } else if (!mAccessPoint.isSaved()) {
             config.SSID = AccessPoint.convertToQuotedString(
-                    mAccessPoint.getSsid());
+                    mAccessPoint.getSsidStr());
         } else {
             config.networkId = mAccessPoint.getConfig().networkId;
         }