Partially revert "[HWUI] Implement legacy color mode."

Reason for partially revert: Step back a little bit to think about how we want
to move the view system forward.

This patch removes the legacy mode we have added, as well as move color type
and color space of the surface to SkiaPipeline.

BUG: 111436479
BUG: 113530681
Test: Build, flash, boot and check dumpsys SurfaceFlinger

Change-Id: I1ab7b88d41347284d87649618e5a15f5c6bcf8fe