Revert "Revert "SF: enable latch unsignaled for single layer by default""

This reverts commit eb1c3df2944e1bc8b7e6b77759fd7b926f8fb53c.

Reason for revert: b/220907055 fixed by ag/16984229

Change-Id: Icdcef1f140412438b3c6a7b9f3fbaec62d29338f
1 file changed