NaCl: Update revision in DEPS, r13637 -> r13647

NaCl: Update revision in DEPS, r13637 -> r13647

This pulls in the following Native Client changes:

r13638: (sbc) Update glibc revision in tools/REVISIONS (9b15f6a->150657d)
r13639: (mseaborn) PNaCl dynamic loading: Add ELF dynamic loader
r13640: (jvoung) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
r13641: (mseaborn) Use uint32_t for untrusted pointer args: fstat() and some other syscalls
r13642: (dschuff) Build PNaCl target libraries on mac and run SCons tests on the toolchain bot
r13643: (petarj) [MIPS] Change output-format to elf32-tradlittlemips-nacl
r13644: (petarj) PNaCl: Update binutils revision in pnacl/COMPONENT_REVISIONS
r13645: (mseaborn) Use uint32_t for untrusted pointer args: gettimeofday() syscall
r13646: (yyanagisawa) Re-enable use of goma on Windows.
r13647: (jvoung) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_rel_precise32,linux_arm_cross_compile,linux_nacl_sdk_build
TBR=jam@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=291432

[Mark Seaborn, 2014-08-22 00:59:43]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-08-22 01:01:11]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mseaborn@chromium.org/474113003/1

[commit-bot: I haz the power, 2014-08-22 02:46:50]

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

[commit-bot: I haz the power, 2014-08-22 03:42:06]

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

[commit-bot: I haz the power, 2014-08-22 03:42:08]

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

[jam, 2014-08-22 15:21:33]

lgtm, thanks

[Mark Seaborn, 2014-08-22 15:52:59]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2014-08-22 15:54:16]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mseaborn@chromium.org/474113003/1

[commit-bot: I haz the power, 2014-08-22 16:49:19]

Committed patchset #1 (1) as 291432