Add 'default:' case to fix findbugs warning.

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

Index: remoting/android/java/src/org/chromium/chromoting/Chromoting.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/Chromoting.java b/remoting/android/java/src/org/chromium/chromoting/Chromoting.java
index 8ae7928e8b9a76f59c5325d56f28f09ebe0280c0..c7338334a87408a18d7ab272525ec0e284b46f8e 100644
--- a/remoting/android/java/src/org/chromium/chromoting/Chromoting.java
+++ b/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) {