Add APIs to get symbol size and symbol name list. BUG=6841435.

Change-Id: I4ed2af9fcfed1086f48830f9f041299fd037f436
diff --git a/lib/ExecutionEngine/ELFObjectLoaderImpl.h b/lib/ExecutionEngine/ELFObjectLoaderImpl.h
index 37766fb..bc96eb4 100644
--- a/lib/ExecutionEngine/ELFObjectLoaderImpl.h
+++ b/lib/ExecutionEngine/ELFObjectLoaderImpl.h
@@ -45,6 +45,10 @@
 
   virtual void *getSymbolAddress(const char *pName) const;
 
+  virtual size_t getSymbolSize(const char *pName) const;
+
+  virtual bool getSymbolNameList(android::Vector<const char *>& pNameList,
+                                 ObjectLoader::SymbolType pType) const;
   ~ELFObjectLoaderImpl();
 };