Revert of Forward the number of skipped frames by the OS in audio playout. (patchset #10 id:180001 of https://codereview.chromium.org/1487983002/ )

Reason for revert:
Causes crackling sound on all ChromeOS boards.

Original issue's description:
> Forward the number of skipped frames by the OS in audio playout.
>
> * Only for Mac.
>
> Will be done in follow-up CLs:
> * Windows.
> * Hooking this up to the AEC.
>
> BUG=560371
>
> Committed: https://crrev.com/db03a8d1128783ff4803364ba616ae5fac8822f7
> Cr-Commit-Position: refs/heads/master@{#364990}

[email protected],[email protected],[email protected],[email protected],[email protected],[email protected]
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=560371, 570060

Review URL: https://codereview.chromium.org/1538463002

Cr-Commit-Position: refs/heads/master@{#365783}
74 files changed