Implement JVM_FindLibraryEntry

Change-Id: Ib0a0f877212ecee3b7ca9f14acb199bd7e47ff19
diff --git a/runtime/native/OpenjdkJvm.cc b/runtime/native/OpenjdkJvm.cc
index 04bab33..b6ca6ae 100644
--- a/runtime/native/OpenjdkJvm.cc
+++ b/runtime/native/OpenjdkJvm.cc
@@ -193,8 +193,7 @@
 JNIEXPORT void* JVM_FindLibraryEntry(void* handle, const char* name)
 {
     LOG(DEBUG) << "JVM_FindLibraryEntry handle=" << handle << " name=" << name;
-    // class loader should use Art version
-    return NULL;
+    return dlsym(handle, name);
 }
 
 JNIEXPORT jlong JVM_CurrentTimeMillis(JNIEnv* env, jclass unused)