Change key dispatch timeout logging.

The mToken logging seems redundant and confusing.
Clarify what sending to <null> means.
Clarify what dispatch state and current state mean.
diff --git a/services/java/com/android/server/WindowManagerService.java b/services/java/com/android/server/WindowManagerService.java
index 88aadbd..263e6db 100644
--- a/services/java/com/android/server/WindowManagerService.java
+++ b/services/java/com/android/server/WindowManagerService.java
@@ -5465,7 +5465,6 @@
                 curFocus = mCurrentFocus;
                 // cache the paused state at ctor time as well
                 if (theFocus == null || theFocus.mToken == null) {
-                    Log.i(TAG, "focus " + theFocus + " mToken is null at event dispatch!");
                     focusPaused = false;
                 } else {
                     focusPaused = theFocus.mToken.paused;
@@ -5651,10 +5650,11 @@
                     synchronized (this) {
                         Log.w(TAG, "Key dispatching timed out sending to " +
                               (targetWin != null ? targetWin.mAttrs.getTitle()
-                              : "<null>"));
+                              : "<null>: no window ready for key dispatch"));
                         // NOSHIP debugging
-                        Log.w(TAG, "Dispatch state: " + mDispatchState);
-                        Log.w(TAG, "Current state:  " + new DispatchState(nextKey, targetWin));
+                        Log.w(TAG, "Previous dispatch state: " + mDispatchState);
+                        Log.w(TAG, "Current dispatch state: " +
+                                new DispatchState(nextKey, targetWin));
                         // END NOSHIP
                         //dump();
                         if (targetWin != null) {