Use pnacl-dis instead of llvm-dis in build.sh, since that is more hermetic and less dependent on toolchain revisions.
Use pnacl-dis instead of llvm-dis in build.sh, since that is more
hermetic and less dependent on toolchain revisions.

Hope to unred the arm spec bot, which doesn't have a new toolchain yet.

BUG= none -- red bots
TEST= pnacl/build.sh verify

Review URL: https://chromiumcodereview.appspot.com/10821003

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9240 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

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