Chromium's test launcher installs crash signal handlers which call
exit(1), instead of with the signal value.
Change-Id: I0c1a62100ef59939a6bcfbf0733e746609a1ead8
Reviewed-on: https://chromium-review.googlesource.com/1131819
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Commit-Queue: Joshua Peraza <jperaza@chromium.org>