NaCl: Update revision in DEPS, r10533 -> r10560

This pulls in the following Native Client changes:

r10534: (mseaborn) Mac: Fix an off-by-one corner case in handling single-stepping on x86-32
r10535: (mseaborn) Thread suspension: Fix querying registers for another Mac OS X corner case
r10536: (mcgrathr) toolchain_build: Update binutils and gcc revisions
r10537: (mseaborn) GDB tests: Improve error reporting when GDB's "reason" field is missing
r10538: (eliben) Fix pnacl driver tests to look for x64 host dir when x86-32 isn't built
r10539: (jfb) ARM: delete stale files and code.
r10540: (mcgrathr) Disable performance tests under qemu
r10541: (mcgrathr) Segregate trusted/untrusted values of MXCSR
r10542: (mcgrathr) Disable run_performance_test via tests_to_disable_qemu not is_broken
r10543: (petarj) [MIPS] Update pnacl_llvm_rev and pnacl_gcc_rev
r10544: (eliben) Moved pnacl driver tests to a sub-directory separate from driver scripts.
r10545: (kschimpf) Fix uses in ARM table: parallel_addition_and_subtraction_unsigned
r10546: (kschimpf) Automatically generate actual decoders from information in the ARM decoder table.
r10547: (sbc) Remove output chatter from ld_bfd.py run.
r10548: (sbc) Add libspeechd-dev to ARM root image.
r10549: (kschimpf) Add uses to ARM table packing_unpacking_saturation_and_reversal
r10550: (mseaborn) MIPS trusted toolchain: Don't skip QEMU patch if the file is missing
r10551: (mseaborn) GDB test: Increase sleep time to reduce the chance of a flaky failure
r10552: (mseaborn) Thread suspension: Disallow setting register state during context switch
r10553: (jvoung) Allow overriding driver env with test settings.
r10554: (mcgrathr) Put code chunks to be copied in rodata, not text
r10555: (mseaborn) Enable most of the GDB tests on ARM
r10556: (mcgrathr) toolchain_build: Update binutils revision
r10557: (kschimpf) Add uses to ARM table branch_branch_with_link_and_block_data_transfer.
r10558: (jfb) Update LLVM's known failures.
r10559: (mcgrathr) toolchain_build: Update gcc revision
r10560: (jvoung) Make LLC use default opt level when pnacl-driver is only used for linking.

BUG=none
TEST=nacl_integration

Review URL: https://codereview.chromium.org/11827011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@175838 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -12,7 +12,7 @@ vars = {
   "chromium_git": "https://chromium.googlesource.com",
   "chromiumos_git": "https://chromium.googlesource.com/chromiumos",
   "swig_revision": "69281",
-  "nacl_revision": "10533",
+  "nacl_revision": "10560",
   # After changing nacl_revision, run 'glient sync' and check native_client/DEPS
   # to update other nacl_*_revision's.
   "nacl_tools_revision": "10001",  # native_client/DEPS: tools_rev