tree fe8309ab16f0495237dd5286ccae6d944ebde4af
parent 76b9c695a7cee0772cb9ee7e472bbf8ce3030a73
author Orion Hodson <oth@google.com> 1554460830 +0100
committer Orion Hodson <oth@google.com> 1554711441 +0000

Use concurrent.futures.ThreadExecutor for testrunner threads

Moves from controlling threads with a semaphore to a slightly more
convenient thread pool.

Moves printing to be on the main thread.

Removes unnecessary thread for supervising tests.

Bug: 129406631
Test: art/test/testrunner.py --dry-run (and simulate failures locally)
Change-Id: I23244d35afa2341f1696ebc60cd009fb133ba872