Cortex-A53 Erratum 843419 workaround in OatWriter.

Bug: 19983916
Change-Id: I572248d035200bb04f74eb3ae065e862572628a0
diff --git a/compiler/oat_writer.h b/compiler/oat_writer.h
index cbf768f..676d628 100644
--- a/compiler/oat_writer.h
+++ b/compiler/oat_writer.h
@@ -313,6 +313,7 @@
   uint32_t size_code_;
   uint32_t size_code_alignment_;
   uint32_t size_relative_call_thunks_;
+  uint32_t size_misc_thunks_;
   uint32_t size_mapping_table_;
   uint32_t size_vmap_table_;
   uint32_t size_gc_map_;