Follow symlinks in test/mjsunit to allow linked test directories.

Follow symlinks in test/mjsunit to allow linked test directories.

Wasm mjsunit tests aren't being detected when symlinked into
test/mjsunit/wasm. This causes symlinked directories in that
directory to be included.

BUG=None
TEST=local
R=dehrenberg@chromium.org
LOG=N

Committed: https://crrev.com/12889b4ad2698ed9c75271480742c3e0994c5895
Cr-Commit-Position: refs/heads/master@{#30600}

[Dan Ehrenberg, 2015-09-04 22:52:12]

littledan@chromium.org changed reviewers:
+ littledan@chromium.org

[Dan Ehrenberg, 2015-09-04 22:52:12]

The CQ bit was checked by littledan@chromium.org

[Dan Ehrenberg, 2015-09-04 22:52:13]

lgtm

[commit-bot: I haz the power, 2015-09-04 22:52:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1332463002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1332463002/1

[commit-bot: I haz the power, 2015-09-04 23:15:57]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-04 23:16:17]

Patchset 1 (id:??) landed as
https://crrev.com/12889b4ad2698ed9c75271480742c3e0994c5895
Cr-Commit-Position: refs/heads/master@{#30600}