Add a @deprecated annotation to Runfiles#addArtifacts.

--
MOS_MIGRATED_REVID=101730178
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/Runfiles.java b/src/main/java/com/google/devtools/build/lib/analysis/Runfiles.java
index 0aa3f48..bdef891 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/Runfiles.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/Runfiles.java
@@ -543,7 +543,7 @@
 
 
     /**
-     * Use {@link #addTransitiveArtifacts} instead, to prevent increased memory use.
+     * @deprecated Use {@link #addTransitiveArtifacts} instead, to prevent increased memory use.
      */
     @Deprecated
     public Builder addArtifacts(NestedSet<Artifact> artifacts) {
@@ -553,6 +553,7 @@
       addArtifacts(it);
       return this;
     }
+
     /**
      * Adds a nested set to the internal collection.
      */