Merge "Revert "Revert "SF: enable latch unsignaled for single layer by...

Merge "Revert "Revert "SF: enable latch unsignaled for single layer by default""" into tm-dev am: 25969707

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17006719

Change-Id: Iaaf73e0307f340f5703109253c89f4256d7c2793