init: relax background cpuset to all LC am: 9a32da8563 am: 9175a59acb

Original change: https://googleplex-android-review.googlesource.com/c/device/google/lynx/+/20189050

Change-Id: I7c0186649fa289cd7c84739afa33377b421b7c0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

conf/init.lynx.rc

@@ -97,6 +97,9 @@ on property:vendor.device.modules.ready=1
 on property:sys.boot_completed=1
     trigger override-sf-uclamp
 
+on property:vendor.powerhal.init=*
+    write /dev/cpuset/background/cpus ${persist.device_config.vendor_system_native.background_cpuset:-0-3}
+
 on override-sf-uclamp
     write /proc/vendor_sched/rt_uclamp_min 0
     write /proc/vendor_sched/sf_uclamp_min 0