Removed Bitmap and MinikinFontFreeType classes, as well as the Layout::draw() method. The code was there for debugging purposes and for potential third-party users. We no longer support third-party uses of Minikin, since we don't know of any. Test: mmma -j frameworks/minikin builds with no errors Change-Id: Iddc9e8d35334053bd5255bccf3dbe5ba1eecf814