ART: Continue adding override annotations

Use Clang-tidy's modernize-use-override to add more annotations. Ignore
inferred annotations on destructors.

Bug: 32619234
Test: mmma art
Change-Id: Ic432c928e398d44df9171e42db04ee19946e6887
diff --git a/compiler/optimizing/optimizing_cfi_test.cc b/compiler/optimizing/optimizing_cfi_test.cc
index be1f7ea..a52031c 100644
--- a/compiler/optimizing/optimizing_cfi_test.cc
+++ b/compiler/optimizing/optimizing_cfi_test.cc
@@ -128,7 +128,7 @@
    public:
     InternalCodeAllocator() {}
 
-    virtual uint8_t* Allocate(size_t size) {
+    uint8_t* Allocate(size_t size) override {
       memory_.resize(size);
       return memory_.data();
     }