Wait on fence sync status query.

Bug 24300960

Change-Id: I10a97536bb6559ea7b302b475d0b6936a495b65a
Reviewed-on: https://swiftshader-review.googlesource.com/4210
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
1 file changed