Move to dynamic dispatch. Add support for IoAllocation* in rs.spec.

Change-Id: I013409cbb758ce5aae78347acb39c43d07aeb9bf
diff --git a/tests/cppbasic/mono.rs b/tests/cppbasic/mono.rs
index d49d0f7..f134b36 100644
--- a/tests/cppbasic/mono.rs
+++ b/tests/cppbasic/mono.rs
@@ -15,7 +15,7 @@
  */
 
 #pragma version(1)
-#pragma rs java_package_name(com.android.rs.image)
+#pragma rs java_package_name(com.android.rs.cppbasic)
 #pragma rs_fp_relaxed
 
 int g_i = 4;