Move to dalvik.vm.lib.2 to force default to libart

Bug: 14298175
Change-Id: I8afa91bddfb6fec6b61c39286a16594eb947830e
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index bc34e0ef..0f24ff6 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -186,7 +186,7 @@
         // had to fallback to a different runtime because it is
         // running as root and we need to be the system user to set
         // the property. http://b/11463182
-        SystemProperties.set("persist.sys.dalvik.vm.lib.1", VMRuntime.getRuntime().vmLibrary());
+        SystemProperties.set("persist.sys.dalvik.vm.lib.2", VMRuntime.getRuntime().vmLibrary());
 
         // Enable the sampling profiler.
         if (SamplingProfilerIntegration.isEnabled()) {