Adding some additional messages to updateTermEmbeddingCache, a=chris

diff --git a/src/library/media_jobs/RecommendationJob.php b/src/library/media_jobs/RecommendationJob.php
index 061052364..aef15ecea 100644
--- a/src/library/media_jobs/RecommendationJob.php
+++ b/src/library/media_jobs/RecommendationJob.php
@@ -391,11 +391,11 @@ class RecommendationJob extends MediaJob
                         ...$context_term_embedding);
                     $this->updateTermEmbeddingCache($context_term_id,
                         $context_term_embedding, C\THREAD_RECOMMENDATION,
-                        "context_update");
+                        "thread_context_term_update");
                 }
                 $term_embedding = pack("E*", ...$term_embedding);
                 $this->updateTermEmbeddingCache($term_id, $term_embedding,
-                    C\THREAD_RECOMMENDATION, "term_update");
+                    C\THREAD_RECOMMENDATION, "thread_term_update");
             }
             $item_count++;
         }
@@ -1012,11 +1012,12 @@ class RecommendationJob extends MediaJob
                         $context_term_embedding = pack("E*",
                             ...$context_term_embedding);
                         $this->updateTermEmbeddingCache($context_term_id,
-                            $context_term_embedding, C\RESOURCE_RECOMMENDATION);
+                            $context_term_embedding, C\RESOURCE_RECOMMENDATION,
+                            "resource_context_term_update");
                     }
                     $term_embedding = pack("E*", ...$term_embedding);
                     $this->updateTermEmbeddingCache($term_id, $term_embedding,
-                        C\RESOURCE_RECOMMENDATION);
+                        C\RESOURCE_RECOMMENDATION, "resource_term_update");
                 }
                 $resource_count++;
             }