Revert "Fix lifecycle issue in CommonPool"

This reverts commit 5ff61f32a78dca0c722c8ac2685874a26190ceed.

Reason for revert: causes global presubmit to be very flaky, see b/130081457
Fixes: b/130081457

Change-Id: I93aa5d6686cd6b5bf831766c9e47c291749526a9
2 files changed