Roll src/native_client/ 8151fc95f..a36a2c6d3 (1 commit).

https://chromium.googlesource.com/native_client/src/native_client.git/+log/8151fc95fb5c..a36a2c6d3a01

$ git log 8151fc95f..a36a2c6d3 --date=short --no-merges --format='%ad %ae %s'
2016-03-29 smklein PNaCl: Update llvm revision in pnacl/COMPONENT_REVISIONS

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/1838353003

Cr-Commit-Position: refs/heads/master@{#383841}

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': '8151fc95fb5c1b89e3d915270b0a4af958171091',
+  'nacl_revision': 'a36a2c6d3a016ea30d88c7ad16874bbd8a4da963',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling dEQP
   # and whatever else without interference from each other.