Fix invalid dex entry name for InMemoryDexClassLoaderFactory

 * There is no such things as classes1.dex and causes
   only classes.dex to be loaded.

Change-Id: Ib89d479b81873af811f475d9e49da93f8d4cc076
diff --git a/tests/tests/classloaderfactory/src/android/app/classloaderfactory/cts/InMemoryDexClassLoaderFactory.java b/tests/tests/classloaderfactory/src/android/app/classloaderfactory/cts/InMemoryDexClassLoaderFactory.java
index d255ce2..76c613c 100644
--- a/tests/tests/classloaderfactory/src/android/app/classloaderfactory/cts/InMemoryDexClassLoaderFactory.java
+++ b/tests/tests/classloaderfactory/src/android/app/classloaderfactory/cts/InMemoryDexClassLoaderFactory.java
@@ -34,8 +34,8 @@
             ZipFile zipFile = new ZipFile(AppComponentFactoryTest.writeSecondaryApkToDisk(aInfo));
 
             ArrayList<ByteBuffer> dexFiles = new ArrayList<>();
-            for (int dexId = 0;; dexId++) {
-                String zipEntryName = "classes" + (dexId == 0 ? "" : dexId) + ".dex";
+            for (int dexId = 1;; dexId++) {
+                String zipEntryName = "classes" + (dexId == 1 ? "" : dexId) + ".dex";
                 ZipEntry zipEntry = zipFile.getEntry(zipEntryName);
                 if (zipEntry == null) {
                     break;