SF: don't skip draw for clearContent

Layers that needs to punch a hole using clearContent (HWC request)
should not be skipped for drawing, as we need to draw the punch hole.

Bug: 190765526
Test: Force all non-SurfaceViews to client composition
Change-Id: I891f697b0cea1bcbe9782714acd6b8f88ecc99b3
1 file changed