On Android, %DebugPrint should output to the Android log instead of
stdout.

R=mstarzinger@chromium.org

Bug: v8:7820
Change-Id: Ia2ab14f1e4ae15914a1e0e721457f83b288683ff
Reviewed-on: https://chromium-review.googlesource.com/1088691
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53559}