Revert "Revert "Add basic image writer support for app images""

No changes, bug fixed in:
https://android-review.googlesource.com/#/c/180886/

Bug: 22858531

This reverts commit 4b018565e57c3349a3c1b5ec8ac9dae261c5e00b.

Change-Id: I86d9c2b55d535d803c6e1b3b8b4836bf6ff077e5
diff --git a/compiler/image_test.cc b/compiler/image_test.cc
index fd6cd82..a38e1f5 100644
--- a/compiler/image_test.cc
+++ b/compiler/image_test.cc
@@ -64,8 +64,10 @@
   ScratchFile oat_file(OS::CreateEmptyFile(oat_filename.c_str()));
 
   const uintptr_t requested_image_base = ART_BASE_ADDRESS;
-  std::unique_ptr<ImageWriter> writer(new ImageWriter(*compiler_driver_, requested_image_base,
-                                                      /*compile_pic*/false));
+  std::unique_ptr<ImageWriter> writer(new ImageWriter(*compiler_driver_,
+                                                      requested_image_base,
+                                                      /*compile_pic*/false,
+                                                      /*compile_app_image*/false));
   // TODO: compile_pic should be a test argument.
   {
     {
@@ -81,8 +83,15 @@
 
       t.NewTiming("WriteElf");
       SafeMap<std::string, std::string> key_value_store;
-      OatWriter oat_writer(class_linker->GetBootClassPath(), 0, 0, 0, compiler_driver_.get(),
-                           writer.get(), &timings, &key_value_store);
+      OatWriter oat_writer(class_linker->GetBootClassPath(),
+                           0,
+                           0,
+                           0,
+                           compiler_driver_.get(),
+                           writer.get(),
+                           /*compiling_boot_image*/true,
+                           &timings,
+                           &key_value_store);
       bool success = writer->PrepareImageAddressSpace() &&
           compiler_driver_->WriteElf(GetTestAndroidRoot(),
                                      !kIsTargetBuild,