NaCl: Update revision in DEPS, e255676 -> bcaef62

NaCl: Update revision in DEPS, e255676 -> bcaef62

This pulls in the following Native Client changes:

1da5d86: (sbc@chromium.org) Fix for gyp build of nacl_bootstrap with target_arch=mips
f404a83: (scottmg@chromium.org) Reland of 'vs2015: avoid redefining UINT8_MAX et al, some warning fixes'
3b1b3cf: (rickyz@chromium.org) Add SIGHUP and SIGTERM handlers in NaCl.
12ab428: (sergiyb@chromium.org) Added CQ config to the nacl repo
ae55d9f: (bradnelson@chromium.org) Don't run asan toolchain build through runtest.py
23b1555: (jvoung@chromium.org) Update revision for PNaCl
bcaef62: (mseaborn@chromium.org) SelLdrLauncher: Allow using a subset of SetupCommand(): Make some methods public

Changes: https://chromium.googlesource.com/native_client/src/native_client/+log/e255676bce441a5a54072548cd1cf1ed8eaaecad..bcaef620a70f2e84e3660bd9098c4af811528f47

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_chromium_dbg_32_ng,linux_arm_compile,linux_nacl_sdk_build

Committed: https://crrev.com/602c2ca843a3542928df1bae4f1fc7858f9e520a
Cr-Commit-Position: refs/heads/master@{#333172}

[Mark Seaborn, 2015-06-05 22:26:12]

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

[jvoung (off chromium), 2015-06-05 22:38:56]

lgtm

[Mark Seaborn, 2015-06-05 22:54:16]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2015-06-05 22:55:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1159693005/1

[commit-bot: I haz the power, 2015-06-05 23:26:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-05 23:27:04]

Patchset 1 (id:??) landed as
https://crrev.com/602c2ca843a3542928df1bae4f1fc7858f9e520a
Cr-Commit-Position: refs/heads/master@{#333172}