commit 1731df2cef3194269f4c5cd9087d3104c0d8ea03
author Bryce Lee <brycelee@google.com> Wed Aug 11 15:53:27 2021 -0700
committer Bryce Lee <brycelee@google.com> Thu Aug 19 09:21:20 2021 -0700
tree 9b1b360592cb450932b4367530237ed2a9aba875
parent b103b8b3e2ef9270bbafce069df0f29b5815415c

CommunalStateController Introduction.

This changelist adds the CommunalStateController, which
is responsible for reporting the whether the communal
view is showing and other state. The communal view state
is reported through the CommunalSurfaceViewController when
shown and CommunalSurfaceHostViewController when hiding.

Bug: 195601027
Test: atest CommunalSurfaceViewControllerTest#testCommunalStateControllerShowNotified
Test: atest CommunalHostViewControllerTest#testCommunalStateControllerHideNotified
Test: atest CommunalStateControllerTest
Change-Id: I2a18a50c8c78e811cd234773994f4591a32303b5