Implement heap poisoning in ART's Optimizing compiler.

- Instrument ARM, ARM64, x86 and x86-64 code generators.
- Note: To turn heap poisoning on in Optimizing, set the
  environment variable `ART_HEAP_POISONING' to "true"
  before compiling ART.

Bug: 12687968
Change-Id: Ib3120b38cf805a8a50207a314b9ccc90c8d93740
diff --git a/compiler/driver/compiler_driver_test.cc b/compiler/driver/compiler_driver_test.cc
index ba03f5a..b358f4f 100644
--- a/compiler/driver/compiler_driver_test.cc
+++ b/compiler/driver/compiler_driver_test.cc
@@ -146,7 +146,7 @@
 }
 
 TEST_F(CompilerDriverTest, AbstractMethodErrorStub) {
-  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING();
+  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK();
   jobject class_loader;
   {
     ScopedObjectAccess soa(Thread::Current());
@@ -192,6 +192,7 @@
 };
 
 TEST_F(CompilerDriverMethodsTest, Selection) {
+  TEST_DISABLED_FOR_HEAP_REFERENCE_POISONING_WITH_QUICK();
   Thread* self = Thread::Current();
   jobject class_loader;
   {