Experimentally turning off some accounting to check performance impact.
(cherry picked from commit 2b8478d9e1dc333b01f83358eaf826a7aa442226)
Restore regression runs to 'ant check' / 'ant junit'
Revert "Experimentally turning off some accounting to check performance impact."

This reverts commit 5972fd4f1d4f0f9461f80bb50aa1afa288b40f7a.