Revert "old-cts: Add support for testng runners and libcoreoj tests"

This reverts commit f995e9586cd0aa878e1e9a0bbb89971b69db0d65.

This topic has been reverted because it causes build flakiness and
bogus verification failures on most active changes.

Change-Id: I51298060e36b834f4b8b0a26186bdf82f2dee4a5
16 files changed