message: Update GraphDef version to 398.
diff: @@ -108,7 +108,7 @@ limitations under the License.
  #define TF_GRAPH_DEF_VERSION_MIN_PRODUCER 0
  #define TF_GRAPH_DEF_VERSION_MIN_CONSUMER 0
  -#define TF_GRAPH_DEF_VERSION 397 // Updated: 2020/5/10
  +#define TF_GRAPH_DEF_VERSION 398 // Updated: 2020/5/11
  // Checkpoint compatibility versions (the versions field in SavedSliceMeta).
  //
  