Increased KernelPerBuildRegression |num| to 2.

This is a requirement for the suite scheduler sanity checker
script that will go in shortly.

TEST=confirmed that the sanity checker didn't throw any errors.
BUG=None

Change-Id: Iee7a42c8fa5d0a659fe06f32e2c161ab6493e0dc
Reviewed-on: https://gerrit.chromium.org/gerrit/41172
Reviewed-by: Alex Miller <milleral@chromium.org>
Commit-Queue: Prashanth Balasubramanian <beeps@chromium.org>
Tested-by: Prashanth Balasubramanian <beeps@chromium.org>
1 file changed