Bump up codec ABI version for control IDs re-arrangement

Bug: aomedia:2977, aomedia:2671
Change-Id: Id40a1e9ec5440872199f7a655435c4d194a869d4

aom/aom_codec.h

diff --git a/aom/aom_codec.h b/aom/aom_codec.h
index f58272e..a2a9efa 100644
--- a/aom/aom_codec.h
+++ b/aom/aom_codec.h
@@ -149,7 +149,7 @@
  * types, removing or reassigning enums, adding/removing/rearranging
  * fields to structures
  */
-#define AOM_CODEC_ABI_VERSION (6 + AOM_IMAGE_ABI_VERSION) /**<\hideinitializer*/
+#define AOM_CODEC_ABI_VERSION (7 + AOM_IMAGE_ABI_VERSION) /**<\hideinitializer*/
 
 /*!\brief Algorithm return codes */
 typedef enum {