NaCl: Update revision in DEPS, cc78fa0 -> cc3597c

NaCl: Update revision in DEPS, cc78fa0 -> cc3597c

This pulls in the following Native Client changes:

fc4d498: (dpranke@chromium.org) Fix a stray reference to ${os} in build/toolchain/nacl/BUILD.gn.
5076f66: (mtrofin@chromium.org) Use the newly introduced CMake LLVM option, LLVM_INSTALL_UTILS, to install binaries such as FileCheck, as part of the install target.
97cf946: (hidehiko@chromium.org) Non-SFI mode: Implement clone() syscall wrapper.
8171867: (jvoung@chromium.org) PNaCl: Update Subzero revision in pnacl/COMPONENT_REVISIONS
9e28d08: (jfb@chromium.org) PNaCl: Update LLVM and Clang revisions in pnacl/COMPONENT_REVISIONS
cf674f2: (petarj@mips.com) Do not print nan sign for results with undefined nan sign
75c402b: (shinyak@chromium.org) Check object file size before archiving.
cc3597c: (hidehiko@chromium.org) Non-SFI mode: Implement {get,set}rlimit() syscall wrappers.

Changes: https://chromium.googlesource.com/native_client/src/native_client/+log/cc78fa093218f9a9a5e576002e197e17da379023..cc3597c9c13978079ef85a31d78dc4bf7f18000c

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/6dd7ce6ae364184aac12d63738b2d09fcb625076
Cr-Commit-Position: refs/heads/master@{#321817}

[Mark Seaborn, 2015-03-23 17:02:29]

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

[JF, 2015-03-23 17:40:41]

lgtm (⊙△⊙✿)

[Mark Seaborn, 2015-03-23 17:41:05]

The CQ bit was checked by mseaborn@chromium.org

[commit-bot: I haz the power, 2015-03-23 17:41:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1027283002/1

[commit-bot: I haz the power, 2015-03-23 18:44:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-23 18:44:26]

Patchset 1 (id:??) landed as
https://crrev.com/6dd7ce6ae364184aac12d63738b2d09fcb625076
Cr-Commit-Position: refs/heads/master@{#321817}