SkPDF: fix double draw text

Change-Id: I9a5a1cd07aa77b72e986eed6a8ee6760edf135aa
Reviewed-on: https://skia-review.googlesource.com/c/175591
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Herb Derby <herb@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Herb Derby <herb@google.com>
1 file changed