Fix Oneof3.pdf test expectations, again.

The previous try failed to properly redraw the focused field.

BUG=pdfium:781

Change-Id: I1dde7b8db15ea3133b38bd9ee71d15fffa4c627f
Reviewed-on: https://pdfium-review.googlesource.com/7132
Reviewed-by: Nicolás Peña <npm@chromium.org>
diff --git a/xfa_specific/fx/test_case_0006/Oneof3_expected.pdf.0.png b/xfa_specific/fx/test_case_0006/Oneof3_expected.pdf.0.png
index c8b8505..c5042b6 100644
--- a/xfa_specific/fx/test_case_0006/Oneof3_expected.pdf.0.png
+++ b/xfa_specific/fx/test_case_0006/Oneof3_expected.pdf.0.png
Binary files differ