Dex2oat support for multiple oat file and image file outputs.

Multiple changes to dex2oat and the runtime to support a --multi-image
option. This generates a separate oat file and image file output for
each dex file input.

Change-Id: Ie1d6f0b8afa8aed5790065b8c2eb177990c60129
diff --git a/compiler/common_compiler_test.cc b/compiler/common_compiler_test.cc
index c7c1907..278c490 100644
--- a/compiler/common_compiler_test.cc
+++ b/compiler/common_compiler_test.cc
@@ -208,7 +208,8 @@
                                             false,
                                             timer_.get(),
                                             -1,
-                                            ""));
+                                            /* profile_file */ "",
+                                            /* dex_to_oat_map */ nullptr));
   // We typically don't generate an image in unit tests, disable this optimization by default.
   compiler_driver_->SetSupportBootImageFixup(false);
 }