Revert "Refactor HGraphBuilder and SsaBuilder to remove HLocals"

Bug: 27995065
This reverts commit e3ff7b293be2a6791fe9d135d660c0cffe4bd73f.

Change-Id: I5363c7ce18f47fd422c15eed5423a345a57249d8
diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h
index 144d58d..8434128 100644
--- a/compiler/optimizing/code_generator_arm.h
+++ b/compiler/optimizing/code_generator_arm.h
@@ -345,6 +345,8 @@
 
   void SetupBlockedRegisters() const OVERRIDE;
 
+  Location GetStackLocation(HLoadLocal* load) const OVERRIDE;
+
   void DumpCoreRegister(std::ostream& stream, int reg) const OVERRIDE;
   void DumpFloatingPointRegister(std::ostream& stream, int reg) const OVERRIDE;