The 3-args addNative function has been removed from build.gradle, but dalvik.gradle was still using it. The following simple patch fixes this:
diff -r 9425ba418764 buildSrc/dalvik.gradle
--- a/buildSrc/dalvik.gradle Sun May 25 16:59:23 2014 +0300
+++ b/buildSrc/dalvik.gradle Mon May 26 20:31:16 2014 +0200
@@ -270,7 +270,7 @@
         }
 
 
- addNative(project, "activity", ["dalvik"])
+ addNative(project, "activity")
         if (compileNativeText) {
             addNative(project, "fontNativeFreetype", ["dalvik"])
         }