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
1 file changed