set ro.nohardwaregfx to true

Change-Id: I2466a76c09318320cbeb21d73989b642aa7f042f
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
diff --git a/system.prop b/system.prop
index b9d1dc6..bb3be8d 100644
--- a/system.prop
+++ b/system.prop
@@ -4,3 +4,4 @@
 
 ro.sf.lcd_density=240
 debug.sf.no_hw_vsync=1
+ro.nohardwaregfx=true