Roll src/native_client/ ca352b231..8151fc95f (1 commit).

https://chromium.googlesource.com/native_client/src/native_client.git/+log/ca352b231f2f..8151fc95fb5c

$ git log ca352b231..8151fc95f --date=short --no-merges --format='%ad %ae %s'
2016-03-29 dschuff Update revision for PNaCl

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/1844643002

Cr-Commit-Position: refs/heads/master@{#383807}

DEPS

@@ -87,7 +87,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling NaCl
   # and whatever else without interference from each other.
-  'nacl_revision': 'ca352b231f2f448e90549dd5cd09901f49f97cbd',
+  'nacl_revision': '8151fc95fb5c1b89e3d915270b0a4af958171091',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling dEQP
   # and whatever else without interference from each other.