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: I3cdd38a85b00cede3a831bcd15f5cc25e7b80b34