Fix more suggestion window asymmetry bug in N7.

Bug: 7711822
Change-Id: I63ba13b1c160cf55b8820a08e6e28fa666dd2580
diff --git a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
index ce2a8ad..d7186d3 100644
--- a/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
+++ b/java/src/com/android/inputmethod/keyboard/MoreKeysKeyboardView.java
@@ -95,7 +95,7 @@
         parentView.getLocationInWindow(mCoordinates);
         // Ensure the horizontal position of the panel does not extend past the screen edges.
         final int maxX = parentView.getMeasuredWidth() - container.getMeasuredWidth();
-        final int panelX = Math.max(0, Math.min(maxX, x + CoordinateUtils.x(mCoordinates)));
+        final int panelX = Math.max(0, Math.min(maxX, x)) + CoordinateUtils.x(mCoordinates);
         final int panelY = y + CoordinateUtils.y(mCoordinates);
         container.setX(panelX);
         container.setY(panelY);