Roll ML Service mojoms from Chrome OS

This roll brings in the enum value for a new Smart Dim model.

Mojoms rolled with:

cp ~/chromiumos/src/platform2/ml/mojom/*.mojom \
  chromeos/services/machine_learning/public/mojom/
sed --in-place --regexp-extended \
  's~^import "ml~import "chromeos/services/machine_learning/public~g' \
  chromeos/services/machine_learning/public/mojom/*.mojom

Bug: 937063
Change-Id: Ifcfc25ddbbc7df353b71af1383bbcaf8600e1987
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1809024
Commit-Queue: Andrew Moylan <amoylan@chromium.org>
Commit-Queue: Sam McNally <sammc@chromium.org>
Auto-Submit: Andrew Moylan <amoylan@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697990}

chromeos/services/machine_learning/public/mojom/model.mojom

@@ -32,6 +32,8 @@ enum ModelId {
   SMART_DIM_20190221 = 3,
   // The Top Cat (20190722) ML model.
   TOP_CAT_20190722 = 4,
+  // The Smart Dim (20190521) ML model.
+  SMART_DIM_20190521 = 5,
 };
 
 // These values are persisted to logs. Entries should not be renumbered and