[Fuchsia] add SessionAudioConsumerFactory to cmx files

Bug: 1027048
Change-Id: I524416343082f648882d05b5aaa7757b5ca1bf26
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1954359
Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Auto-Submit: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722312}
5 files changed