Override onSizeChanged only on main keyboard view

Bug: 4768084
Change-Id: I555efbd1bf75691a3a2724e9d9c1a9055039aacc

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

@@ -350,12 +350,6 @@ public class KeyboardView extends View implements PointerTracker.DrawingProxy {
         return a.getFraction(index, 1000, 1000, 1) / 1000.0f;
     }
 
-    @Override
-    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
-        // TODO: Should notify InputMethodService instead?
-        KeyboardSwitcher.getInstance().onSizeChanged();
-    }
-
     /**
      * Attaches a keyboard to this view. The keyboard can be switched at any time and the
      * view will re-layout itself to accommodate the keyboard.

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

@@ -290,6 +290,12 @@ public class LatinKeyboardBaseView extends KeyboardView {
         return mKeyboardActionListener;
     }
 
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        // TODO: Should notify InputMethodService instead?
+        KeyboardSwitcher.getInstance().onSizeChanged();
+    }
+
     /**
      * Attaches a keyboard to this view. The keyboard can be switched at any time and the
      * view will re-layout itself to accommodate the keyboard.

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

@@ -57,6 +57,11 @@ public class PopupMiniKeyboardView extends LatinKeyboardBaseView implements Popu
         setKeyPreviewPopupEnabled(false, 0);
     }
 
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        // Do nothing for the mini keyboard.
+    }
+
     @Override
     public void setKeyPreviewPopupEnabled(boolean previewEnabled, int delay) {
         // Mini keyboard needs no pop-up key preview displayed, so we pass always false with a