Fix Desktop.dispatchKeyEvent() to return correct result.

remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java

Index: remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java b/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
index 81e94ccd9de4202caf5cedb919bfd7be3986b894..79455f4169386049d4097f0beb5288a987e1cb11 100644
--- a/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
+++ b/remoting/android/java/src/org/chromium/chromoting/jni/JniInterface.java
@@ -321,16 +321,16 @@ public class JniInterface {
     private static native void nativeSendMouseWheelEvent(int deltaX, int deltaY);
 
     /** Presses or releases the specified (nonnegative) key. Called on the UI thread. */
-    public static void sendKeyEvent(int keyCode, boolean keyDown) {
+    public static boolean sendKeyEvent(int keyCode, boolean keyDown) {
         if (!sConnected) {
-            return;
+            return false;
         }
 
-        nativeSendKeyEvent(keyCode, keyDown);
+        return nativeSendKeyEvent(keyCode, keyDown);
     }
 
     /** Passes key press information to the native handling code. */
-    private static native void nativeSendKeyEvent(int keyCode, boolean keyDown);
+    private static native boolean nativeSendKeyEvent(int keyCode, boolean keyDown);
 
     /** Sends TextEvent to the host. Called on the UI thread. */
     public static void sendTextEvent(String text) {