Revert "ART: Prepare for ELF64."

Build fails on arm64 with error message:
art/compiler/elf_writer_quick.cc:1083:1: error: the frame size of 2016 bytes is larger than 1728 bytes [-Werror=frame-larger-than=]

This reverts commit 45b8f1ab2782d02830c77751f883456de799dfb6.

Change-Id: I61b2e5f27ba4b2b32eacaec51fb5e5ed12fd8066
diff --git a/compiler/dex/quick/quick_compiler.cc b/compiler/dex/quick/quick_compiler.cc
index 2c5f79c..49c16cb 100644
--- a/compiler/dex/quick/quick_compiler.cc
+++ b/compiler/dex/quick/quick_compiler.cc
@@ -608,8 +608,8 @@
                              const std::vector<const art::DexFile*>& dex_files,
                              const std::string& android_root,
                              bool is_host) const {
-  return art::ElfWriterQuick32::Create(file, oat_writer, dex_files, android_root, is_host,
-                                       *GetCompilerDriver());
+  return art::ElfWriterQuick::Create(file, oat_writer, dex_files, android_root, is_host,
+                                     *GetCompilerDriver());
 }
 
 Backend* QuickCompiler::GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const {