Testcase regress/regress-353551 fails with stack overflow error on
ppc64, increasing stack-size to 1100 resolves the issue, but will
cause other platforms to fail similar to
https://codereview.chromium.org/2072533002.
For now, disabling the testcase on ppc64.

R=machenbach@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2314343002
Cr-Commit-Position: refs/heads/master@{#39253}