This reverts commit 54ba6f01.

Reason for revert: breaks MEC.

Bug: angleproject:5999

Original change's description:
> Capture/Replay: Emit SetupReplay() late
>
> Only emit SetupReplay() after all captured frames have been run,
> so that InitializeReplay() is called with values of
> readBufferSize and the maxClientArraySize that are sufficiently
> large for all frames.
>
> Bug: angleproject:5965
> Bug: angleproject:5895
> Change-Id: Ic59597dc27f733fb210d7cc5a144a86e54cd2040
> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2894486
> Commit-Queue: Gert Wollny <gert.wollny@collabora.com>
> Reviewed-by: Jamie Madill <jmadill@chromium.org>
> Reviewed-by: Cody Northrop <cnorthrop@google.com>

Bug: angleproject:5965
Bug: angleproject:5895
Change-Id: Ia901183b2052fa2b4552ad2e09818a2894fbdf6b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2911878Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>