Merge "Adding a constant for /metadata/gsi/dsu/avb/." am: 0a5a944d42 am: fbf9eee313

Change-Id: I35662301d060a645a0672e9ad89d2228c4f0a87b
diff --git a/include/libgsi/libgsi.h b/include/libgsi/libgsi.h
index 987797a..c824c57 100644
--- a/include/libgsi/libgsi.h
+++ b/include/libgsi/libgsi.h
@@ -31,6 +31,8 @@
 
 static constexpr char kDsuActiveFile[] = DSU_METADATA_PREFIX "active";
 
+static constexpr char kDsuAvbKeyDir[] = DSU_METADATA_PREFIX "avb/";
+
 static inline std::string DsuLpMetadataFile(const std::string& dsu_slot) {
     return DSU_METADATA_PREFIX + dsu_slot + "/lp_metadata";
 }