CameraITS: Pass focus distance for manual request

Current manual request uses default focus distance for manual request.
This may introduce unnecessary lens movement if do_3a is called before
submitting the manual request, and the default focus distance is
different than the converged af distance.

Bug: 29321683
Change-Id: I3a78923f69f3b4da41bd8d1256ea08c4b106c74d
19 files changed