Allow minijail to run statically linked targets

minijail will now detect static targets and sandbox them

BUG:chromium:355109
TEST=Tested with autotest security_Minijail0 on arm and x64

Change-Id: I4c38f652207c5c50158449f952b14e9402e17751
Reviewed-on: https://chromium-review.googlesource.com/203013
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Lee Campbell <leecam@chromium.org>
Commit-Queue: Lee Campbell <leecam@chromium.org>
6 files changed