Change mem_size_estimation to memory_size_estimation. (#868) (#869)

Signed-off-by: Jing Zhang <[email protected]>
(cherry picked from commit 982fa74)

Co-authored-by: Jing Zhang <[email protected]>

Author: opensearch-trigger-bot[bot]

plugin/src/main/java/org/opensearch/ml/profile/MLModelProfile.java

@@ -74,10 +74,10 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
             builder.field("predict_request_stats", predictRequestStats);
         }
         if (memSizeEstimationCPU != null) {
-            builder.field("mem_size_estimation_cpu", memSizeEstimationCPU);
+            builder.field("memory_size_estimation_cpu", memSizeEstimationCPU);
         }
         if (memSizeEstimationGPU != null) {
-            builder.field("mem_size_estimation_gpu", memSizeEstimationGPU);
+            builder.field("memory_size_estimation_gpu", memSizeEstimationGPU);
         }
         builder.endObject();
         return builder;