GitLab

Previously, out of process calls to AssistantScreenContextController and
AssistantSetupController were proxied through AssistantController. Now,
we expose those subcontrollers directly for binding.

Bug: b:119272394
Change-Id: I136d0e025761b4fe99151218512f83eeb00a6541
Reviewed-on: https://chromium-review.googlesource.com/c/1327532
Commit-Queue: David Black <dmblack@google.com>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#611327}