google-breakpad: disable linux_client_unittest for now

This unittest also seems to be triggering an error in the kernels which
we're running on our bots atm.  Disable it for now.

Also add a USE flag so devs can re-enable things locally.

BUG=chromium:343442
BUG=chromium:358717
BUG=chromium:359999
TEST=`FEATURES=test emerge-x86-alex google-breakpad` marks linux_client_unittest as SKIP

Change-Id: I4ef462a51e5a669128c3bdafdd4dde35d660fb83
Previous-Reviewed-on: https://chromium-review.googlesource.com/188951
(cherry picked from commit d9c0a1a2d0ca37e0411fee1ff2d271abbb018b61)
Reviewed-on: https://chromium-review.googlesource.com/193250
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
(cherry picked from commit 0518bbbdcb8781e85753c01707a087245092df28)
Reviewed-on: https://chromium-review.googlesource.com/196177
Reviewed-by: Matthew Yuan <matthewyuan@chromium.org>
Tested-by: Matthew Yuan <matthewyuan@chromium.org>
1 file changed