NaCl: Update revision in DEPS, r12523 -> r12544

This pulls in the following Native Client changes:

r12524: (jvoung) Update PNaCl transfersize/compile/run perf expectations from libc++ switch
r12525: (jfb) Improve documentation for NaCl ARM unaligned load/store qualification test
r12526: (jvoung) Update TOOL_REVISIONS for PNaCl 12494->12506
r12527: (mcgrathr) toolchain_build: Update gcc revision
r12528: (bsy) Use va_copy when available. Use knowledge of implementation on MSVS pre-2013 to polyfill.
r12529: (mcgrathr) Update tools_rev in DEPS
r12531: (dschuff) Log all toolchain_build output to a file
r12532: (dschuff) Revert "Log all toolchain_build output to a file"
r12533: (petarj) [MIPS] Upload a toolchain tarball for MIPS after the build step
r12534: (dschuff) Remove newlib sysroot step from build.sh
r12535: (jvoung) Also adjust runtime_equake for PNaCl x86-32, after libc++ switch.
r12536: (teravest) NaCl: Use defined names for rpc signatures.
r12537: (sbc) Update cloud storage URLs (commondatastorage -> storage)
r12538: (dschuff) Log all toolchain_build output to a file
r12539: (mcgrathr) Fix accidental regression in arm-nacl-gcc limits.h
r12540: (mcgrathr) Disable clock_cputime_test under QEMU
r12541: (mcgrathr) Revert r12538: Log all toolchain_build output to a file
r12542: (mcgrathr) Fix unfinished fix to accidental regression in arm-nacl-gcc limits.h
r12543: (mcgrathr) toolchain_build: Allow dependencies for source targets
r12544: (mcgrathr) Update ARM toolchain in TOOL_REVISIONS

BUG=none
TEST=browser_tests and nacl_integration

Review URL: https://codereview.chromium.org/111103005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240761 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240761
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240762 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240762