Enable CC (ART_USE_READ_BARRIER) by default.

Bug: 34084559
Bug: 12687968
Test: boot on angler
Test: test-art-host
Change-Id: I0287b813335b472dd59aa6b94aeeab2da60b9c99
diff --git a/runtime/oat.h b/runtime/oat.h
index 3b3ab5a..953b445 100644
--- a/runtime/oat.h
+++ b/runtime/oat.h
@@ -32,7 +32,7 @@
 class PACKED(4) OatHeader {
  public:
   static constexpr uint8_t kOatMagic[] = { 'o', 'a', 't', '\n' };
-  static constexpr uint8_t kOatVersion[] = { '1', '0', '1', '\0' };  // Array entrypoints change
+  static constexpr uint8_t kOatVersion[] = { '1', '0', '2', '\0' };  // Enabling CC
 
   static constexpr const char* kImageLocationKey = "image-location";
   static constexpr const char* kDex2OatCmdLineKey = "dex2oat-cmdline";