Roll src/native_client/ c64289d88..7fa484282 (1 commit).
Roll src/native_client/ c64289d88..7fa484282 (1 commit).

https://chromium.googlesource.com/native_client/src/native_client.git/+log/c64289d884a4..7fa484282042

$ git log c64289d88..7fa484282 --date=short --no-merges --format='%ad %ae %s'
2016-02-15 stichnot Subzero: Add x86-64 to the bots.

CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_dbg_32_ng,linux_nacl_sdk_build
TBR=mseaborn@chromium.org

Review URL: https://codereview.chromium.org/1695243003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#375484}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk