mandoline: Obey --no-sandbox.

Other chrome binaries have a "--no-sandbox" for debugging. Add one to
mandoline, too.

BUG=492524

Review URL: https://codereview.chromium.org/1318103003

Cr-Commit-Position: refs/heads/master@{#346031}


CrOS-Libchrome-Original-Commit: f92f6a6d916e9e83b0a4102505fc1051f1956685
3 files changed
tree: a0a189ef6c5948068863d7f96c559e18ce1850c8
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/