NaCl: Update revision in DEPS, r9277 -> r9317

NaCl: Update revision in DEPS, r9277 -> r9317

* r9294 requires removing 'pylib' from DEPS. 

This pulls in the following Native Client changes:

r9278: (kschimpf) Add tzcnt as an acceptable instruction to x86-64 validator
r9279: (kschimpf) Fix macros NC_EXPECT_EQ_PRECOND and NC_EXPECT_NE_PRECOND.
r9281: (kschimpf) Add tzcnt as an acceptable instruction to the x86-32 validator
r9282: (mseaborn) x86-64: Remove one hard-coded numeric offset into NaClThreadContext
r9283: (phosek) Check of memory mapping consistency for all supported OSes.
r9284: (jvoung) Handle another case where we cannot search for bugs, from 9254.
r9285: (mseaborn) Thread suspension test: Refactor how we set and check register state
r9287: (khim) Handle most REX prefixes
r9288: (mseaborn) Introduce #defines for the offsets of NaClThreadContext fields
r9289: (dschuff) Do qemu sandboxed translator tests sequentially
r9290: (kschimpf) Clean up super_cop table in Arm validator.
r9291: (khim) Fix precise_64-newlib-x86_64-pnacl bot
r9292: (khim) Fix precise_64-newlib-x86_64-pnacl bot - try2
r9293: (dschuff) Update archived toolchain test rev to 8851
*r9294: (bradnelson) Moving third_party/pylib/* to third_party/.
r9296: (bsy) code clean up and commenting: remove printing sockaddr
r9297: (ncbray) Remove a redundant dependency from a broken test
r9298: (mseaborn) Add a test for the registers reported for a thread suspended in a syscall
r9299: (mseaborn) Make the thread_create() syscall responsible for aligning the stack pointer
r9300: (pasko) Validator refactoring: define NaClCopyInstruction() for x86/arm separately
r9301: (halyavin) Update gdb revision.
r9302: (khim) Fix xchg instruction.
r9303: (robertm) Fix readelf and size usage in preparation for 
r9304: (robertm) Remove unused readelf and size binary from newlib/bin directory in the pnacl toolchain
r9305: (khim) Fix small typo in ragel_tester.c
r9306: (khim) Fix memory leak in enuminst
r9308: (kschimpf) Fix table ext_reg_move table in ARM validator.
r9309: (jvoung) Bump pnacl toolchain rev to 9299.
r9311: (bradnelson) Exclude pnacl/src dir from checkdeps for now.
r9312: (jvoung) Remove use of mozrunner in browser tester
r9313: (robertm) Fix dangling reference to size tool in pnacl toolchain build.
r9314: (mseaborn) Testing: Move register_set.h into a new tests/common directory
r9315: (jvoung) Bump pnacl llvm rev to pull in byval + vararg change:
r9316: (mseaborn) Remove the nacl_sys array and the "sys" instance of NaClThreadContext
r9317: (mseaborn) Testing: Simplify untrusted assembly code used for saving x86 flags

BUG=none
TEST=nacl_integration

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=149187

[Mark Seaborn, 2012-07-31 15:25:34]

The previous try (http://codereview.chromium.org/10832070/) didn't work because
it lacked "r9312: (jvoung) Remove use of mozrunner in browser tester".  This one
works.

I'll commit this TBR.

[Nick Bray (chromium), 2012-07-31 17:43:17]

LGTM

[commit-bot: I haz the power, 2012-08-02 11:42:01]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a lowly provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.