[foozzie] Ignore OOM

BUG=chromium:691458
NOTRY=true
TBR=tandrii@chromium.org

Change-Id: I252f8624e18d54e0ba60800a2c4f3bf50c30c661
Reviewed-on: https://chromium-review.googlesource.com/441704Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43155}

tools/foozzie/v8_foozzie.py

@@ -307,6 +307,10 @@ if __name__ == "__main__":
     print FAILURE_HEADER_TEMPLATE % dict(
         configs='', source_key='', suppression='wrong_usage')
     result = RETURN_FAIL
+  except MemoryError:
+    # Running out of memory happens occasionally but is not actionable.
+    print '# V8 correctness - pass'
+    result = RETURN_PASS
   except Exception as e:
     print FAILURE_HEADER_TEMPLATE % dict(
         configs='', source_key='', suppression='internal_error')