The cctest and unittests suites call the test executable to list the
tests, which requires pushing the executables to the device on Android.

NOTRY=true
TBR=sergiyb@chromium.org

Bug: chromium:866862
Change-Id: I318dff7af2b2de3b8642ec4b6ba30b602da808bb
Reviewed-on: https://chromium-review.googlesource.com/1213202Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55723}