Support to pass <uses-library> option through to dex2oat.

This change takes an app's shared libraries specified by <uses-library>
and passes it through to dex2oat to be used during compilation.

Part of a multi-project change.

Bug: 26880306

(cherry-picked from commit 26e8a2f150cd7f7195a10650ab8a5b6fa5014bc8)

Change-Id: I72a352abdfc37eacd8bedfa6c218e3809ca8e39c
diff --git a/runtime/class_linker.h b/runtime/class_linker.h
index 45c0767..f6ce545 100644
--- a/runtime/class_linker.h
+++ b/runtime/class_linker.h
@@ -560,7 +560,7 @@
 
   // Creates a GlobalRef PathClassLoader that can be used to load classes from the given dex files.
   // Note: the objects are not completely set up. Do not use this outside of tests and the compiler.
-  jobject CreatePathClassLoader(Thread* self, std::vector<const DexFile*>& dex_files)
+  jobject CreatePathClassLoader(Thread* self, const std::vector<const DexFile*>& dex_files)
       SHARED_REQUIRES(Locks::mutator_lock_)
       REQUIRES(!dex_lock_);
 
@@ -611,6 +611,10 @@
       const std::set<DexCacheResolvedClasses>& classes)
       REQUIRES(!dex_lock_);
 
+  static bool IsBootClassLoader(ScopedObjectAccessAlreadyRunnable& soa,
+                                mirror::ClassLoader* class_loader)
+      SHARED_REQUIRES(Locks::mutator_lock_);
+
   ArtMethod* AddMethodToConflictTable(mirror::Class* klass,
                                       ArtMethod* conflict_method,
                                       ArtMethod* interface_method,