display: product: Set async power mode property

Set this property for Android versions other than 10

Change-Id: I87f86123d0736ae711d06a705d8f3dd58fc0dbe0
diff --git a/config/display-product.mk b/config/display-product.mk
index c4c7a06..98a2d8d 100644
--- a/config/display-product.mk
+++ b/config/display-product.mk
@@ -77,6 +77,10 @@
     debug.sf.phase_offset_threshold_for_next_vsync_ns=6100000
 endif
 
+ifneq ($(PLATFORM_VERSION), 10)
+    PRODUCT_PROPERTY_OVERRIDES +=  vendor.display.enable_async_powermode=0
+endif
+
 #Set WCG properties
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.has_wide_color_display=true
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += ro.surface_flinger.has_HDR_display=true