This fixes a refactoring bug in the AstPrinter to actually print the
try-block of {TryCatchStatement} and {TryFinallyStatement} nodes.

R=neis@chromium.org

Change-Id: I6448251c1eed3f85100902592a76dc7d3a614334
Reviewed-on: https://chromium-review.googlesource.com/571748Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46670}