Building both ia32 and x64 in the sdk build.

Building both ia32 and x64 in the sdk build.

We recently changed the chrome build so that nacl binaries of both 32 and 64
bit type are not built unless needed.
The sdk had assumed both arches are built as a side effect.

Building both arches in the sdk.

BUG=None
TEST=local
R=binji@chromium.org

Committed: https://crrev.com/96f42fb68643044639ededf55a48afb5747a46cb
Cr-Commit-Position: refs/heads/master@{#296240}

[binji, 2014-09-19 20:04:44]

lgtm

[bradn, 2014-09-19 20:04:58]

The CQ bit was checked by bradnelson@google.com

[commit-bot: I haz the power, 2014-09-19 20:26:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/590523002/1

[commit-bot: I haz the power, 2014-09-19 20:26:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/590523002/1

[commit-bot: I haz the power, 2014-09-19 21:23:07]

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

[commit-bot: I haz the power, 2014-09-19 21:23:08]

Try jobs failed on following builders:
  ios_rel_device_ninja on tryserver.chromium.mac
(http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)

[binji, 2014-09-23 20:39:32]

The CQ bit was checked by binji@chromium.org

[commit-bot: I haz the power, 2014-09-23 20:42:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/590523002/1

[commit-bot: I haz the power, 2014-09-23 21:08:08]

Committed patchset #1 (id:1) as 6b39601ae492b31d51a3d00eca33cdeb5cc255b0

[commit-bot: I haz the power, 2014-09-23 21:08:44]

Patchset 1 (id:??) landed as
https://crrev.com/96f42fb68643044639ededf55a48afb5747a46cb
Cr-Commit-Position: refs/heads/master@{#296240}