ART: Fix type parameter in tests

Move Class to Class<?>, Constructor to Constructor<?>, and in
general clean up reflection.

Test: m test-art-host-run-test
Change-Id: I3a4223ee8d14d032015edf34bf27135757f7138c
diff --git a/test/044-proxy/src/Clash.java b/test/044-proxy/src/Clash.java
index adeffdc..d000112 100644
--- a/test/044-proxy/src/Clash.java
+++ b/test/044-proxy/src/Clash.java
@@ -30,7 +30,7 @@
         /* try passing in the same interface twice */
         try {
             Proxy.newProxyInstance(Clash.class.getClassLoader(),
-                new Class[] { Interface1A.class, Interface1A.class },
+                new Class<?>[] { Interface1A.class, Interface1A.class },
                 handler);
             System.err.println("Dupe did not throw expected exception");
         } catch (IllegalArgumentException iae) {
@@ -39,7 +39,7 @@
 
         try {
             Proxy.newProxyInstance(Clash.class.getClassLoader(),
-                new Class[] { Interface1A.class, Interface1B.class },
+                new Class<?>[] { Interface1A.class, Interface1B.class },
                 handler);
             System.err.println("Clash did not throw expected exception");
         } catch (IllegalArgumentException iae) {