V8 Buildbot: Add ignition tests to pure release trybot.

BUG=v8:4280
LOG=N
TBR=tandrii@chromium.org

Review URL: https://codereview.chromium.org/1556393002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/build@298127 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed