[Usdrecord] add aov and shadingMode args to usdrecord

[JerryKon]

Description of Change(s)

Add aov, shadingMode args for usdrecord. Below is the help text.

  --aov {color,depth,primId}
                        the aov mode to use (default=color)
  --shadingMode {points,wireframe,wireframe_on_surface,shaded_flat,shaded_smooth,geom_only,geom_flat,geom_smooth}, -sm {points,wireframe,wireframe_on_surface,shaded_flat,shaded_smooth,geom_only,geom_flat,geom_smooth}
                        the shading mode to use (default=geom_smooth)

And followings are rendered images with new usdrecord. depth aov

wireframe_on_surface shadingMode

geom_only shadingMode

wireframe_shadingMode

Fixes Issue(s)

• [ X ] I have submitted a signed Contributor License Agreement

[jilliene]

Filed as internal issue #USD-7362

[jonogibbs]

+1! I'd love to use this too, any chance it can get merged?

[creijon]

We've done some overlapping work on AOV output in this PR here: https://github.com/PixarAnimationStudios/USD/pull/2145

[jamesdeschenes]

This would be a great feature to have merged in.