Revert "Asynchronous Fsync: initial extraction of Async Fsync from HTC"

This reverts commit 2e4a79547e608b254988c593650b44f0fa00e54f.
Revert "Squashed Faux dynamic sync control commits"

This reverts commit d8aacb995e54c614e85b1c4bba5ced90b1ec63c0.