Merge "SF: don't touch boost if we only have Exact layers" into sc-dev am: 7e19eaca33 am: 4678b7eb29

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/14969436

Change-Id: Ibdc9d51ebc349da0dfb609fd01c15fb6a7e06301