kitakami-common: prop: Update LMKD configs

* Disable psi support since our kernel doesn't have it.

system.prop

@@ -58,12 +58,13 @@ dalvik.vm.image-dex2oat-threads=4
 ro.lmk.low=1001
 ro.lmk.medium=800
 ro.lmk.critical=0
-ro.lmk.critical_upgrade=false
-ro.lmk.upgrade_pressure=100
-ro.lmk.downgrade_pressure=100
+ro.lmk.critical_upgrade=true
+ro.lmk.upgrade_pressure=60
+ro.lmk.downgrade_pressure=60
 ro.lmk.kill_heaviest_task=true
 ro.lmk.kill_timeout_ms=100
 ro.lmk.use_minfree_levels=true
+ro.lmk.use_psi=false
 
 # Media
 ro.config.media_vol_steps=25