Fix --preAbandonGpuContext bots

Change-Id: I6c6375b1c3c74c07d0723606f905fbbef233a4f1
Reviewed-on: https://skia-review.googlesource.com/94860
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed