Fix dismissing more keys panel when hiding keyboard

This issue was introduced by Id7002ecb7f.

Bug: 15809493
Change-Id: Iaa51b7f40a54ccbafb45c6444d8bbd21c671f7af

java/src/com/android/inputmethod/keyboard/MainKeyboardView.java

@@ -664,10 +664,6 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
     @Override
     public void onDismissMoreKeysPanel() {
         dimEntireKeyboard(false /* dimmed */);
-        dismissMoreKeysPanel();
-    }
-
-    private void dismissMoreKeysPanel() {
         if (isShowingMoreKeysPanel()) {
             mMoreKeysPanel.removeFromParent();
             mMoreKeysPanel = null;
@@ -733,7 +729,7 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
     }
 
     public void onHideWindow() {
-        dismissMoreKeysPanel();
+        onDismissMoreKeysPanel();
         final MainKeyboardAccessibilityDelegate accessibilityDelegate = mAccessibilityDelegate;
         if (accessibilityDelegate != null) {
             accessibilityDelegate.onHideWindow();