ART: More refactor for JVMTI run tests (1/3)

Put (most) tests into a new package and give them dedicated
class names (Test9XY).

NOTE: BROKEN WITHOUT A FOLLOW-UP CL TO CHANGE DIRECTORY STRUCTURE
      AND FILE NAMES!

Bug: 32072923
Test: None
Change-Id: I291b0543f7782914e446a74f0d9037020c88e5b5
diff --git a/test/904-object-allocation/src/Main.java b/test/904-object-allocation/src/Main.java
index df59179..31e0c8c 100644
--- a/test/904-object-allocation/src/Main.java
+++ b/test/904-object-allocation/src/Main.java
@@ -14,10 +14,14 @@
  * limitations under the License.
  */
 
+package art;
+
 import java.util.ArrayList;
 
-public class Main {
-  public static void main(String[] args) throws Exception {
+public class Test904 {
+  public static void run() throws Exception {
+    Main.bindAgentJNIForClass(Test904.class);
+
     // Use a list to ensure objects must be allocated.
     ArrayList<Object> l = new ArrayList<>(100);