NaCl: Update revision in DEPS, r9233 -> r9246

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

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=148373

[bradn, 2012-07-25 18:35:32]

lgtm