This patch adds threading to the RunWithTests function, allowing one
thread to execute the QA test, and the other to monitor if it is being
blocked by locks set up during the test. If it is, terminate the
blocking job, and let the QA continue, reporting the test failure at
the very end.

Signed-off-by: Hrvoje Ribicic <riba@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>
Signed-off-by: Thomas Thrainer <thomasth@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

(cherry picked from commit 34c5ec6c)