Add --image-classes to dex2oat

Change-Id: Ia88f9d302e0f9cd72be2199ee46d212d99864c67
diff --git a/src/dalvik_system_DexFile.cc b/src/dalvik_system_DexFile.cc
index 6ad92ba..cf4443b 100644
--- a/src/dalvik_system_DexFile.cc
+++ b/src/dalvik_system_DexFile.cc
@@ -222,7 +222,7 @@
     return JNI_TRUE;
   }
 
-  const OatFile* oat_file = class_linker->FindOatFile(*dex_file.get());
+  const OatFile* oat_file = class_linker->FindOatFileForDexFile(*dex_file.get());
   if (oat_file == NULL) {
     return JNI_TRUE;
   }