NaCl: Update revision in DEPS, r9233 -> r9246

This pulls in the following Native Client changes:

r9234: (jvoung) Prune glibc support from pnacl tarball (which will also
r9235: (mseaborn) x86-32: Use "%gs:4" to store the IRT's thread value
r9236: (khim) Rename standard ragel variables (p, pe, eof, and cs).
r9237: (bsy) Logic error in error detection/handling SelLdrLauncher::StartModuleAndSetupAppChannel.
r9238: (mseaborn) Cleanup: Remove the ARM springboard
r9239: (dschuff) Configure LLVM to use shared libraries
r9240: (jvoung) Use pnacl-dis instead of llvm-dis in build.sh, since that is more
r9241: (bradnelson) Avoid long command lines to build_nexe.
r9242: (dschuff) They were incorrect in the last CL, but it apparently didn't matter.
r9243: (arbenson) Bootstrap args for sel_ldr for pnacl
r9244: (cmp) Add HTTP proxy support for downloads.
r9245: (arbenson) setjmp asm for zero-based sandbox model
r9246: (halyavin) Debug stub: add simplified breakpoint test on Windows.

BUG=none
TEST=nacl_integration

Review URL: https://chromiumcodereview.appspot.com/10833005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148373 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -12,7 +12,7 @@ vars = {
   "chromium_git": "http://git.chromium.org/git",
   "chromiumos_git": "http://git.chromium.org/chromiumos",
   "swig_revision": "69281",
-  "nacl_revision": "9233",
+  "nacl_revision": "9246",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   "nacl_tools_revision": "9016",  # native_client/DEPS: tools_rev