Add 'default:' case to fix findbugs warning.

NOTRY=true

Review URL: https://codereview.chromium.org/133263003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@244531 0039d316-1c4b-4281-b951-d872f2087c98

remoting/android/java/src/org/chromium/chromoting/Chromoting.java

@@ -412,6 +412,10 @@ public class Chromoting extends Activity implements JniInterface.ConnectionListe
                 dismissProgress = true;
                 finishActivity(0);
                 break;
+
+            default:
+                // Unreachable, but required by Google Java style and findbugs.
+                assert false : "Unreached";
         }
 
         if (dismissProgress && mProgressIndicator != null) {