PNaCl: Update Subzero and LLVM revision in pnacl/COMPONENT_REVISIONS
PNaCl: Update Subzero and LLVM revision in pnacl/COMPONENT_REVISIONS

This pulls in the following LLVM change:

ca61aa0: (jfb@chromium.org) Fix Windows build warning

This pulls in the following Subzero changes:

fa4efea: (stichnot@chromium.org) Subzero: Initial implementation of multithreaded translation.
dd842db: (stichnot@chromium.org) Subzero: Use a "known" version of clang-format.
8427ea2: (jfb@chromium.org) Fix pedantic build warnings;
26f9433: (stichnot@chromium.org) Add -pedantic to Makefile.standalone to match production.
1573e08: (stichnot@chromium.org) Add a missing #include, to fix the Windows build.
0c729c8: (kschimpf@google.com) Remove unnecessary fields in top-level parser of Subzero.
84b7ed1: (jfb@chromium.org) Fix missing header include
c34190c: (jfb@chromium.org) Add missing period
867684e: (jfb@chromium.org) Work around GCC bug in constexpr to attributes

BUG=none
TEST= PNaCl toolchain trybots
TBR= stichnot@chromium.org

Review URL: https://codereview.chromium.org/885493003

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client