Bump PNaCl archived frontend version to 12158 for new directory layout and -stdlib=x.
Bump PNaCl archived frontend version to 12158 for new directory layout and -stdlib=x.

We'll probably have to bump again when bitcode v2 lands...
We'll need to figure out a more elegant way to handle
driver-only changes, but get the bots green for now.

BUG=red fyi bots
R=dschuff@chromium.org

Review URL: https://codereview.chromium.org/23708040

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12169 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client