SF: Clean up HWC validation

This CL adds macros for validating HWC displays and return values.

Bug: 74619554
Test: Build
Change-Id: I9f8eff97255087d13fe975f3fc45cfbb6d4ea4d6
(cherry picked from commit fc2c032b2c1bec0494f1a69497aafa2df4992dc5)
1 file changed