Implement Link-loading and pass 62 tests in JniInternalTest.

The passed tests include the 12 originally ARM-only tests. Now it works
on x86 as well if defined(ART_USE_LLVM_COMPILER).

Change-Id: I03092637fa4f0979ca77e0cac06e5d31a867e465
diff --git a/src/compiler_llvm/utils_llvm.h b/src/compiler_llvm/utils_llvm.h
index a1624d7..fb4da34 100644
--- a/src/compiler_llvm/utils_llvm.h
+++ b/src/compiler_llvm/utils_llvm.h
@@ -33,6 +33,10 @@
 // Returns the LLVM function name for the overloaded method 'm'.
 std::string LLVMLongName(const Method* m);
 
+// Returns the LLVM stub function name for the overloaded method 'm'.
+std::string LLVMStubName(const Method* m);
+
+void LLVMLinkLoadMethod(const std::string& file_name, Method* method);
 }  // namespace art
 
 #endif  // ART_SRC_UTILS_LLVM_H_