GitLab

* Add AecDumpMessageFilter::GetOverrideAec3().
* Don't set aec3 in AecDumpMessageFilter::AddDelegate().
* Instead, get the override value before init in MSAP.
* In init, the override value is already honored, although that was always not set before this fix.

Bug: 791016
Change-Id: I0d58ab3dac13321b4a686b6f726c449930b185d5
Reviewed-on: https://chromium-review.googlesource.com/803486Reviewed-by: Max Morin <maxmorin@chromium.org>
Commit-Queue: Henrik Grunell <grunell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#520958}