InputSurface: implement InputSurfaceConnection

Implement InputSurfaceConnection for InputSurface.
InputSurfaceConnection handles status transition for a video encoder
session with an InputSurface and queues encoder frames to a video
encoder component.

Bug: 201479783
Test: presubmit
Change-Id: I29166c406a8706f5091a6c83781281562392e064
3 files changed