Revert "[Unfold animation] Do not show dark vignette when folding"

Revert submission 21009614-fold-no-vignette

Reason for revert: Duplicate flag ids. Please change "2600" to something else.

Reverted changes: /q/submissionid:21009614-fold-no-vignette

Change-Id: I16e71542ed3179bc37feefbb5fc4d7ac42cbfdd7
2 files changed