NaCl: Update revision in DEPS, 21fcf74 -> 6af0274
NaCl: Update revision in DEPS, 21fcf74 -> 6af0274

This pulls in the following Native Client changes:

460549f: (stichnot@chromium.org) PNaCl: Update Subzero revision in pnacl/COMPONENT_REVISIONS
6ebcf75: (stichnot@chromium.org) Add Subzero to scons tests on the bots.  x86-32 only.
55d8d42: (jfb@chromium.org) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
963f109: (tfarina@chromium.org) GN: cpu_arch and os fixes.
1e45f86: (teravest@chromium.org) Remove NACL_BUILD_ARCH_MAP.
f8252c7: (jvoung@chromium.org) Remember to plumb the -O flag from pnacl-translate to pnacl-sz.nexe.
39d6994: (tfarina@chromium.org) Cleanup: Reformat all BUILD.gn files by using 'gn format' command.
0397297: (jfb@chromium.org) Update revision for PNaCl
4c36d4e: (dschuff@chromium.org) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
25882bd: (jvoung@chromium.org) PNaCl: Update Subzero revision in pnacl/COMPONENT_REVISIONS
537ec07: (petarj@mips.com) [MIPS] Remove use of ld_script_mips_trusted
ad7f7db: (jfb@chromium.org) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS
d21b5b7: (jfb@chromium.org) Update revision for PNaCl
2c9f6b4: (mtrofin@chromium.org) This supplements the tests for https://codereview.chromium.org/1015553002/ with an end-to-end test.
fbee7a3: (bradnelson@google.com) Clean up more things in the temp directory.
d22bb8f: (kschimpf@google.com) Revert of Clean up more things in the temp directory. (patchset #15 id:260001 of https://codereview.chromium.org/1048123003/)
6af0274: (jfb@chromium.org) PNaCl: Update LLVM revision in pnacl/COMPONENT_REVISIONS

Changes: https://chromium.googlesource.com/native_client/src/native_client/+log/21fcf74d38f5e16d579c4c113050194119f3b29c..6af02746e0fe59308afb793799976a0a3e4a7641

BUG=none
TEST=browser_tests and nacl_integration
CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_chromium_dbg_32_ng,linux_nacl_sdk_build
R= dschuff@chromium.org

Review URL: https://codereview.chromium.org/1053843002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#323414}

TheTypoMaster/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,hgl888/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Chilledheart/chromium,Fireblend/chromium-crosswalk,axinging/chromium-crosswalk,Chilledheart/chromium,fujunwei/chromium-crosswalk,ltilve/chromium,hgl888/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,chuan9/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,fujunwei/chromium-crosswalk,ltilve/chromium,Chilledheart/chromium,Chilledheart/chromium,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,fujunwei/chromium-crosswalk,Just-D/chromium-1,Chilledheart/chromium,PeterWangIntel/chromium-crosswalk,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,chuan9/chromium-crosswalk,hgl888/chromium-crosswalk,hgl888/chromium-crosswalk,ltilve/chromium,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,chuan9/chromium-crosswalk,Just-D/chromium-1,TheTypoMaster/chromium-crosswalk,Just-D/chromium-1,ltilve/chromium,Fireblend/chromium-crosswalk,fujunwei/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,hgl888/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,ltilve/chromium,Just-D/chromium-1,ltilve/chromium,hgl888/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,Fireblend/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,Fireblend/chromium-crosswalk,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Chilledheart/chromium,hgl888/chromium-crosswalk,Chilledheart/chromium,Just-D/chromium-1,Fireblend/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,axinging/chromium-crosswalk,Chilledheart/chromium,PeterWangIntel/chromium-crosswalk,Chilledheart/chromium,chuan9/chromium-crosswalk,ltilve/chromium,axinging/chromium-crosswalk,chuan9/chromium-crosswalk,chuan9/chromium-crosswalk,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,ltilve/chromium,axinging/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Pluto-tv/chromium-crosswalk,axinging/chromium-crosswalk,chuan9/chromium-crosswalk,Pluto-tv/chromium-crosswalk,hgl888/chromium-crosswalk,Pluto-tv/chromium-crosswalk,axinging/chromium-crosswalk,hgl888/chromium-crosswalk,Just-D/chromium-1,fujunwei/chromium-crosswalk,ltilve/chromium,Pluto-tv/chromium-crosswalk,chuan9/chromium-crosswalk,chuan9/chromium-crosswalk,fujunwei/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,fujunwei/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Just-D/chromium-1