Merge "Removing number of threads used in background execution to prevent system thrashing" into sc-dev am: 194dcc0fd3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14626498

Change-Id: I0175443f299ffa8b770b8e2f35e8f7d3213029e6