Remove obsolete fields from InputMethodManager.

IMM#mViewTopLeft and IMM#mViewToScreenMatrix are no longer used.
They should have not been removed in
I4a577bfd02b37b9e56c80b8b41bb25afa95dd8ef.

Change-Id: Ia685956c8f7dda1143135345ee9a3873705975ef

core/java/android/view/inputmethod/InputMethodManager.java

@@ -350,16 +350,6 @@ public final class InputMethodManager {
      */
     private CursorAnchorInfo mCursorAnchorInfo = null;
 
-    /**
-     * The buffer to retrieve the view location in screen coordinates in {@link #updateCursor}.
-     */
-    private final int[] mViewTopLeft = new int[2];
-
-    /**
-     * The matrix to convert the view location into screen coordinates in {@link #updateCursor}.
-     */
-    private final Matrix mViewToScreenMatrix = new Matrix();
-
     // -----------------------------------------------------------
 
     /**