RM6785: Optimize everything on preopt

We have plenty of space left at /system

Change-Id: I39d552259b66ec329c56cd4f4a7fc46fb2c07457
Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>
diff --git a/device.mk b/device.mk
index a9c4737..fc42e00 100644
--- a/device.mk
+++ b/device.mk
@@ -20,6 +20,9 @@
 TARGET_SCREEN_HEIGHT := 2400
 TARGET_SCREEN_WIDTH := 1080
 
+# ART
+PRODUCT_DEX_PREOPT_DEFAULT_COMPILER_FILTER := everything
+
 # Audio
 TARGET_EXCLUDES_AUDIOFX := true