[Lut shader] Fix the issue if using HLG/PQ transfer function.

- the input shader for HLG and PQ is not normalized to [0, 1.0], we need
  to fix this so that luts values can be applied

Bug: 329472856
Test: android.view.surfacecontrol.cts.SurfaceControlTest
Flag: EXEMPT no flag needed

Change-Id: I7630f0b896bd4ff4c4c4585428269c2af3c1a457