Enable SurfaceFlinger Cache by default

Test: check SF Cache is enabled by default using perfetto trace
Bug: 172968540
Change-Id: I525b6db8d35207c1f2f8982d9fa64ed501592c6f
diff --git a/device.mk b/device.mk
index dee4b35..4cf1c7e 100644
--- a/device.mk
+++ b/device.mk
@@ -599,6 +599,7 @@
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += debug.sf.earlyGl.sf.duration=13500000
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += debug.sf.earlyGl.app.duration=21000000
 
+PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.enable_layer_caching=true
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.set_idle_timer_ms=80
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.set_touch_timer_ms=200
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.set_display_power_timer_ms=1000