Don't build ppapi/{proxy,shared_impl} with jumbo in nacl

An upcoming CL triggers nacl toolchain problems in jumbo builds where
some combination of template instantiations cause some build errors.
To not block that CL, disable jumbo for nacl in relevant directories.

Bug: 912152
Change-Id: Ie79729414d765fec22325bacdb7df8cf714457f3
Reviewed-on: https://chromium-review.googlesource.com/c/1363282
Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Daniel Bratell <bratell@opera.com>
Cr-Commit-Position: refs/heads/master@{#614014}
2 files changed