SnapdragonCamera: Add support for CDS and TNR settings

Add support for CDS and TNR settings

- CDS and TNR can be controlled in
  photo mode and video mode.
- CDS is set to off and cannot be
  set to other value when TNR is enabled
- CDS value is restored when TNR is disabled again

CRs-Fixed: 715042
Change-Id: Idf08403e38d0e3e634b047a955f2328b4237e691
10 files changed