Remove background cpuset setting am: 5f600515e7 am: 9af13e4a93 am: 66c1fb200c am: bedaae3692

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/22953955

Change-Id: I08d072138a40e5e7e5dc9ef0359637b44463e703
Signed-off-by: Automerger Merge Worker <[email protected]>