Move default native.bridge property to system set

So that it can be overridden by PRODUCT_PROPERTY_OVERRIDES.

Test: native bridge property is overridden when requested
Bug: 130825973
Bug: 130564502
Change-Id: I8413b9b5b2ac24ac62b6cf22a5f14393420927f5
diff --git a/target/product/runtime_libart.mk b/target/product/runtime_libart.mk
index 5aa2114..a88ba3c 100644
--- a/target/product/runtime_libart.mk
+++ b/target/product/runtime_libart.mk
@@ -54,7 +54,7 @@
     dalvik.vm.dexopt.secondary=true \
     dalvik.vm.appimageformat=lz4
 
-PRODUCT_PROPERTY_OVERRIDES += \
+PRODUCT_SYSTEM_DEFAULT_PROPERTIES += \
     ro.dalvik.vm.native.bridge=0
 
 # Different dexopt types for different package update/install times.