Handle array type collisions in vertical class merger

Bug: 117399364
Change-Id: Ie40561d47b318a3aa053c4d57fc7c7227c32f7f1
diff --git a/src/test/examples/classmerging/keep-rules.txt b/src/test/examples/classmerging/keep-rules.txt
index 5e70808..e3e0006 100644
--- a/src/test/examples/classmerging/keep-rules.txt
+++ b/src/test/examples/classmerging/keep-rules.txt
@@ -10,6 +10,9 @@
 -keep public class classmerging.Test {
   public static void main(...);
 }
+-keep public class classmerging.ArrayTypeCollisionTest {
+  public static void main(...);
+}
 -keep public class classmerging.CallGraphCycleTest {
   public static void main(...);
 }