Update llvm and clang revs to pull in merge to 164479
Update llvm and clang revs to pull in merge to 164479

R=jvoung@chromium.org
BUG=

Review URL: https://codereview.chromium.org/10990063

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9852 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client