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/intrinsics_arm64.h b/compiler/optimizing/intrinsics_arm64.h
index 033a644..9c46efd 100644
--- a/compiler/optimizing/intrinsics_arm64.h
+++ b/compiler/optimizing/intrinsics_arm64.h
@@ -37,7 +37,7 @@
 
 class CodeGeneratorARM64;
 
-class IntrinsicLocationsBuilderARM64 FINAL : public IntrinsicVisitor {
+class IntrinsicLocationsBuilderARM64 final : public IntrinsicVisitor {
  public:
   explicit IntrinsicLocationsBuilderARM64(ArenaAllocator* allocator, CodeGeneratorARM64* codegen)
       : allocator_(allocator), codegen_(codegen) {}
@@ -45,7 +45,7 @@
   // Define visitor methods.
 
 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
-  void Visit ## Name(HInvoke* invoke) OVERRIDE;
+  void Visit ## Name(HInvoke* invoke) override;
 #include "intrinsics_list.h"
   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
 #undef INTRINSICS_LIST
@@ -63,14 +63,14 @@
   DISALLOW_COPY_AND_ASSIGN(IntrinsicLocationsBuilderARM64);
 };
 
-class IntrinsicCodeGeneratorARM64 FINAL : public IntrinsicVisitor {
+class IntrinsicCodeGeneratorARM64 final : public IntrinsicVisitor {
  public:
   explicit IntrinsicCodeGeneratorARM64(CodeGeneratorARM64* codegen) : codegen_(codegen) {}
 
   // Define visitor methods.
 
 #define OPTIMIZING_INTRINSICS(Name, IsStatic, NeedsEnvironmentOrCache, SideEffects, Exceptions, ...) \
-  void Visit ## Name(HInvoke* invoke) OVERRIDE;
+  void Visit ## Name(HInvoke* invoke) override;
 #include "intrinsics_list.h"
   INTRINSICS_LIST(OPTIMIZING_INTRINSICS)
 #undef INTRINSICS_LIST