NaCl: Update revision in DEPS, r13974 -> r13987

NaCl: Update revision in DEPS, r13974 -> r13987

This pulls in the following Native Client changes:

r13975: (dschuff) Disable run_dynamic_load_test under nacl_clang x86-32
r13976: (nfullagar) More include path truncation for benchmark source relocation into SDK.
r13977: (bradnelson) Capture build_nexe verbose log messages to emit in the event of error.
r13978: (petarj) [MIPS] Disable seg_gap tests
r13985: (mseaborn) Non-SFI IRT: Remove workarounds for service_runtime/include/ headers
r13986: (dschuff) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
r13987: (nfullagar) Nacl-clang does not appear to follow the same portable SIMD vector alignment

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_rel_precise32,linux_nacl_sdk,linux_chromium_dbg
TBR=dschuff@chromium.org

Committed: https://crrev.com/5cf0f5d4e30862231bbd52251e6a3dfbc53b40a0
Cr-Commit-Position: refs/heads/master@{#301294}

[Mark Seaborn, 2014-10-25 01:45:33]

mseaborn@chromium.org changed reviewers:
+ dschuff@chromium.org

[Mark Seaborn, 2014-10-25 01:46:16]

Rolling to one before r13988, since that requires test expectations to be
updated (for a validation-caching UMA test).

[Mark Seaborn, 2014-10-25 01:46:29]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-10-25 01:46:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675063007/1

[commit-bot: I haz the power, 2014-10-25 07:08:22]

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

[commit-bot: I haz the power, 2014-10-25 07:08:24]

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, 2014-10-25 17:48:56]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-10-25 17:49:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675063007/1

[commit-bot: I haz the power, 2014-10-25 21:17:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-25 21:18:37]

Patchset 1 (id:??) landed as
https://crrev.com/5cf0f5d4e30862231bbd52251e6a3dfbc53b40a0
Cr-Commit-Position: refs/heads/master@{#301294}

[Derek Schuff, 2014-10-27 16:25:09]

auto-retro-lgtm