Start VTS for color management.

Right now this only makes sure that extended sRGB buffers aren't
corrupted by the time it hits the display. This is especially important
for Ultra HDR, because display compensation is defined by the spec.

Bug: 276331687
Bug: 259144781
Test: VtsHalGraphicsComposer3_ReadbackTest
Change-Id: Ib6c39858289d5559ae76280ca1a0ef756f2daef0