More native input event dispatching.

Added ANRs handling.
Added event injection.
Fixed a NPE ActivityManagerServer writing ANRs to the drop box.
Fixed HOME key interception.
Fixed trackball reporting.
Fixed pointer rotation in landscape mode.

Change-Id: I50340f559f22899ab924e220a78119ffc79469b7

core/java/android/os/MessageQueue.java

@@ -341,11 +341,4 @@ public class MessageQueue {
         }
     }
     */
-
-    void poke()
-    {
-        synchronized (this) {
-            nativeWake();
-        }
-    }
 }

core/java/android/view/InputChannel.java

@@ -26,7 +26,7 @@ import android.util.Slog;
  * to the ViewRoot through a Binder transaction as part of registering the Window.
  * @hide
  */
-public class InputChannel implements Parcelable {
+public final class InputChannel implements Parcelable {
     private static final String TAG = "InputChannel";
     
     public static final Parcelable.Creator<InputChannel> CREATOR

core/java/android/view/InputTarget.java

@@ -25,7 +25,7 @@ package android.view;
  * These parameters are used by the native input dispatching code.
  * @hide
  */
-public class InputTarget {
+public final class InputTarget {
     public InputChannel mInputChannel;
     public int mFlags;
     public long mTimeoutNanos;