Removing remaining compiled stubs from image.

Abstract method error stub and jni dlsym lookup stubs are gone.
After this change, the image no longer needs to be executable.

Change-Id: Ic75d72bf7e76e3b8ecc596e82af68ab592dde15e
diff --git a/src/class_linker.cc b/src/class_linker.cc
index 9dee36a..d262a5d 100644
--- a/src/class_linker.cc
+++ b/src/class_linker.cc
@@ -1600,7 +1600,7 @@
 
   Runtime* runtime = Runtime::Current();
   if (method->IsAbstract()) {
-    method->SetCode(runtime->GetAbstractMethodErrorStubArray()->GetData());
+    method->SetCode(GetAbstractMethodErrorStub());
     return;
   }