Add per array size allocation entrypoints.

- Update architectures that have fast paths for
  array allocation to use it.
- Will add more fast paths in follow-up CLs.

Test: test-art-target test-art-host.
Change-Id: I138cccd16464a85de22a8ed31c915f876e78fb04
diff --git a/runtime/oat.h b/runtime/oat.h
index 29821a2..4a68036 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', '3', '\0' };  // Native pc change
+  static constexpr uint8_t kOatVersion[] = { '1', '0', '4', '\0' };  // Array allocation entrypoints
 
   static constexpr const char* kImageLocationKey = "image-location";
   static constexpr const char* kDex2OatCmdLineKey = "dex2oat-cmdline";