flo: Enable MDP composition

Change-Id: Iad5dff6a0d9bf435aa3c1492255d4c55680d6c11
Signed-off-by: Ed Tam <etam@google.com>
diff --git a/device.mk b/device.mk
index 03fbe49..b337c03 100644
--- a/device.mk
+++ b/device.mk
@@ -148,8 +148,9 @@
 PRODUCT_PACKAGES += \
         init.qcom.class_main.sh
 
-#Upto 3 layers can go through overlays
-PRODUCT_PROPERTY_OVERRIDES += debug.mdpcomp.maxlayer=3
+#Enable MDP composition by default
+PRODUCT_PROPERTY_OVERRIDES += \
+	persist.hwc.mdpcomp.enable=true
 
 PRODUCT_CHARACTERISTICS := nosdcard