NaCl: Update revision in DEPS, r13655 -> r13666

NaCl: Update revision in DEPS, r13655 -> r13666

This pulls in the following Native Client changes:

r13657: (sbc) Disable two glibc tests: tst-truncate and tst-truncate64
r13658: (jvoung) Avoid up/downloading scratch copy of pnaclmm.bc from generating libpnaclmm.a.
r13659: (mseaborn) Use uint32_t for untrusted pointer args: read() and write() syscalls
r13660: (mseaborn) PNaCl dynamic loader: Fix a corner case with mapping the BSS
r13661: (kschimpf) Update revision for PNaCl r13647->r13658
r13666: (dyen) Added initial implementation of the IRT extension interface.

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_arm_cross_compile,linux_nacl_sdk_build
TBR=ncbray@chromium.org

Committed: https://crrev.com/71d115dac733c9532ab73c9e521f1ab545304d14
Cr-Commit-Position: refs/heads/master@{#292071}

[Mark Seaborn, 2014-08-26 22:33:33]

mseaborn@chromium.org changed reviewers:
+ bradnelson@google.com, ncbray@chromium.org

[Mark Seaborn, 2014-08-26 23:04:22]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-08-26 23:06:14]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mseaborn@chromium.org/509703003/1

[commit-bot: I haz the power, 2014-08-27 00:47:22]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_rel_precise32 on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_rel_preci...)

[commit-bot: I haz the power, 2014-08-27 01:17:57]

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

[commit-bot: I haz the power, 2014-08-27 01:17:57]

Try jobs failed on following builders:
  linux_rel_precise32 on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_rel_preci...)

[Mark Seaborn, 2014-08-27 01:41:44]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-08-27 01:42:27]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mseaborn@chromium.org/509703003/1

[commit-bot: I haz the power, 2014-08-27 01:43:29]

Committed patchset #1 (1) as c308f80d8d909da79a3e1bc4cf4b06df4168d57e

[commit-bot: I haz the power, 2014-09-10 02:48:51]

Patchset 1 (id:??) landed as
https://crrev.com/71d115dac733c9532ab73c9e521f1ab545304d14
Cr-Commit-Position: refs/heads/master@{#292071}