Hdr format settings [Backend]

Added new API to SurfaceControl to override the HDR formats supported by
device in SurfaceFlinger. This API is used in the CTS Tests to verify
HDR capabilities and enabling/disabling of HDR formats.

Bug: 172905874
Test: atest CtsDisplayTestCases
Change-Id: Icb13cdd638d315c0e23ece8aa61242470404a428
Merged-In: Icb13cdd638d315c0e23ece8aa61242470404a428