Build all of the normal test targets on ChromiumOS GN (dbg).

Build all of the normal test targets on ChromiumOS GN (dbg).

Now that we theoretically have fixed the compile problems
in #327164, we should try to build all of the normal test targets.

This reverts commit 724dc5807658de719ab9ccaf3397ed90ec7d7e56 (#326955).

TBR=phajdan.jr@chromium.org
BUG=463528
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_chromium_gn_chromeos_dbg

Committed: https://crrev.com/90b95ae8f45de2477c4e1c73e2a8df03ef71ca95
Cr-Commit-Position: refs/heads/master@{#327195}

[Dirk Pranke, 2015-04-27 23:39:24]

The CQ bit was checked by dpranke@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-04-27 23:40:46]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1108203002/1

[commit-bot: I haz the power, 2015-04-28 00:39:32]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-04-28 00:39:33]

Dry run: This issue passed the CQ dry run.

[Dirk Pranke, 2015-04-28 00:40:24]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-04-28 00:40:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1108203002/1

[commit-bot: I haz the power, 2015-04-28 00:42:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-04-28 00:43:17]

Patchset 1 (id:??) landed as
https://crrev.com/90b95ae8f45de2477c4e1c73e2a8df03ef71ca95
Cr-Commit-Position: refs/heads/master@{#327195}