Add ParsedOptions test (and migrate RuntimeTest to CommonTest)

Change-Id: Ic338520dfaca2228260e546ed1522c37b83f42ac
diff --git a/src/common_test.h b/src/common_test.h
index bfc58f6..14a68a2 100644
--- a/src/common_test.h
+++ b/src/common_test.h
@@ -319,7 +319,7 @@
   int fd_;
 };
 
-class RuntimeTest : public testing::Test {
+class CommonTest : public testing::Test {
  protected:
   virtual void SetUp() {
     is_host_ = getenv("ANDROID_BUILD_TOP") != NULL;
@@ -416,7 +416,7 @@
   bool is_host_;
   scoped_ptr_malloc<char> android_data_;
   std::string art_cache_;
-  scoped_ptr<DexFile> java_lang_dex_file_;
+  scoped_ptr<const DexFile> java_lang_dex_file_;
   scoped_ptr<Runtime> runtime_;
   ClassLinker* class_linker_;
 };