Update this test to take a dump of a child process.
Update this test to take a dump of a child process.

Other tests taking dumps of the main test process have been observed to hang. Although this test doesn't seem to have, it seems prudent to pre-emptively fix it.

BUG=
R=sebmarchand@chromium.org

Review URL: https://codereview.appspot.com/217370043

wangming28/syzygy,supriyantomaftuh/syzygy,google/syzygy,google/syzygy,supriyantomaftuh/syzygy,wangming28/syzygy,supriyantomaftuh/syzygy,wangming28/syzygy,Eloston/syzygy,google/syzygy,wangming28/syzygy,google/syzygy,Eloston/syzygy,supriyantomaftuh/syzygy