Window Manager Flag Migration (8/n)

Dispatch the copied insets states and controls if the client and the
server are in the same process. Otherwise, changing them at the server
side will affect ones at the client side, and vice versa.

Bug: 118118435
Test: atest InsetsSourceProviderTest InsetsStateControllerTest
            InsetsPolicyTest WindowStateTests CommandQueueTest
            RegisterStatusBarResultTest InsetsFlagsTest
            LightBarControllerTest RegisterStatusBarResultTest
            ViewRootImplTest DisplayPolicyLayoutTests
            DisplayPolicyInsetsTests DisplayPolicyTests
            TaskSnapshotSurfaceTest NavigationBarColorTest
Change-Id: Iabe9fb1f345f576f08b156f32aa9bd3989911149