MaybePrintAst needs to be run before parking the thread. It allows
handle dereferences internally but that doesn't work when thread is
parked.

Bug: chromium:1193728
Change-Id: I0adbf6f236be8d442fd8be4d4d6e4931fcff4db6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2794432Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73736}