Fix switch in apptests file

I forgot the --

R=msw@chromium.org
TBR=msw@chromium.org
BUG=none
TEST=test only

Review URL: https://codereview.chromium.org/1285863002

Cr-Commit-Position: refs/heads/master@{#342862}


CrOS-Libchrome-Original-Commit: 46cd54fb5c60a70185eec7262e85a1a932ce5bd1
1 file changed
tree: 6689df7294a2ceca35d9a0bf1982b491440d94ef
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/