GitLab

Adds in the soda speech recognizer client to chrome, talking to ml
service, with appropriate mojo bindings.

Add service connection bindings with appropriate fakes, and unittests
for creation (along with appropriate expectations on creation for
fake.

TEST=tested via the unit test /  compilation here.

Bug: 1152254
Change-Id: Ib39362e3aebef732efe4eaba29ca073653737a81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2562924
Commit-Queue: Rob Schonberger <robsc@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: calamity <calamity@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834990}