common: Add a system property for System UI compiler filter.

Bug: 227310505
Test: m
Change-Id: I30863fe677a95844f0cf46da98c103c0132c24d3
diff --git a/config/common.mk b/config/common.mk
index d1528ab..6e9f90c 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -149,6 +149,9 @@
 endif
 endif
 
+PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
+    dalvik.vm.systemuicompilerfilter=speed
+
 # StitchImage
 PRODUCT_PACKAGES += \
     StitchImage