Use 'final' and 'override' specifiers directly in ART.

Remove all uses of macros 'FINAL' and 'OVERRIDE' and replace them with
'final' and 'override' specifiers. Remove all definitions of these
macros as well, which were located in these files:
- libartbase/base/macros.h
- test/913-heaps/heaps.cc
- test/ti-agent/ti_macros.h

ART is now using C++14; the 'final' and 'override' specifiers have
been introduced in C++11.

Test: mmma art
Change-Id: I256c7758155a71a2940ef2574925a44076feeebf
diff --git a/compiler/optimizing/graph_checker.h b/compiler/optimizing/graph_checker.h
index 3a2bb7a..d085609 100644
--- a/compiler/optimizing/graph_checker.h
+++ b/compiler/optimizing/graph_checker.h
@@ -44,30 +44,30 @@
   // and return value pass along the observed graph sizes.
   size_t Run(bool pass_change = true, size_t last_size = 0);
 
-  void VisitBasicBlock(HBasicBlock* block) OVERRIDE;
+  void VisitBasicBlock(HBasicBlock* block) override;
 
-  void VisitInstruction(HInstruction* instruction) OVERRIDE;
-  void VisitPhi(HPhi* phi) OVERRIDE;
+  void VisitInstruction(HInstruction* instruction) override;
+  void VisitPhi(HPhi* phi) override;
 
-  void VisitBinaryOperation(HBinaryOperation* op) OVERRIDE;
-  void VisitBooleanNot(HBooleanNot* instruction) OVERRIDE;
-  void VisitBoundType(HBoundType* instruction) OVERRIDE;
-  void VisitBoundsCheck(HBoundsCheck* check) OVERRIDE;
-  void VisitCheckCast(HCheckCast* check) OVERRIDE;
-  void VisitCondition(HCondition* op) OVERRIDE;
-  void VisitConstant(HConstant* instruction) OVERRIDE;
-  void VisitDeoptimize(HDeoptimize* instruction) OVERRIDE;
-  void VisitIf(HIf* instruction) OVERRIDE;
-  void VisitInstanceOf(HInstanceOf* check) OVERRIDE;
-  void VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) OVERRIDE;
-  void VisitLoadException(HLoadException* load) OVERRIDE;
-  void VisitNeg(HNeg* instruction) OVERRIDE;
-  void VisitPackedSwitch(HPackedSwitch* instruction) OVERRIDE;
-  void VisitReturn(HReturn* ret) OVERRIDE;
-  void VisitReturnVoid(HReturnVoid* ret) OVERRIDE;
-  void VisitSelect(HSelect* instruction) OVERRIDE;
-  void VisitTryBoundary(HTryBoundary* try_boundary) OVERRIDE;
-  void VisitTypeConversion(HTypeConversion* instruction) OVERRIDE;
+  void VisitBinaryOperation(HBinaryOperation* op) override;
+  void VisitBooleanNot(HBooleanNot* instruction) override;
+  void VisitBoundType(HBoundType* instruction) override;
+  void VisitBoundsCheck(HBoundsCheck* check) override;
+  void VisitCheckCast(HCheckCast* check) override;
+  void VisitCondition(HCondition* op) override;
+  void VisitConstant(HConstant* instruction) override;
+  void VisitDeoptimize(HDeoptimize* instruction) override;
+  void VisitIf(HIf* instruction) override;
+  void VisitInstanceOf(HInstanceOf* check) override;
+  void VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) override;
+  void VisitLoadException(HLoadException* load) override;
+  void VisitNeg(HNeg* instruction) override;
+  void VisitPackedSwitch(HPackedSwitch* instruction) override;
+  void VisitReturn(HReturn* ret) override;
+  void VisitReturnVoid(HReturnVoid* ret) override;
+  void VisitSelect(HSelect* instruction) override;
+  void VisitTryBoundary(HTryBoundary* try_boundary) override;
+  void VisitTypeConversion(HTypeConversion* instruction) override;
 
   void CheckTypeCheckBitstringInput(HTypeCheckInstruction* check,
                                     size_t input_pos,