redwood: props: Use HintManager for HWUI

This will send HWUI timings to HintManager for better CPU scheduling.
Setting a 30% margin for CPU should heavily reduce CPU loads for HWUI and
use GPU for the rest.

EmanuelCN: Set it to 20%
Change-Id: I808f1e0d556b258d42d2faac33b0c5c142610d7a
Signed-off-by: NotZeetaa <rodrigo2005contente@gmail.com>

system.prop

@@ -10,6 +10,8 @@ debug.hwui.skia_atrace_enabled=false
 # Graphics
 debug.sf.disable_backpressure=1
 debug.sf.enable_hwc_vds=0
+debug.hwui.use_hint_manager=true
+debug.hwui.target_cpu_time_percent=20
 
 # IMS
 persist.dbg.volte_avail_ovr=1