Attach a bug to syncing docs

Bug: 116445845
Test: none
Change-Id: I841b1dc503d70efddb8175b75d9d3efe8078eeb1
Merged-In: I841b1dc503d70efddb8175b75d9d3efe8078eeb1
(cherry picked from commit 7f9f46159183b02d53ca8d6bbe728e5610c2ea5a)
diff --git a/neuralnetworks/1.2/types.hal b/neuralnetworks/1.2/types.hal
index 129172d..0e076f5 100644
--- a/neuralnetworks/1.2/types.hal
+++ b/neuralnetworks/1.2/types.hal
@@ -26,7 +26,7 @@
  * The type of an operation in a model.
  */
 enum OperationType : @1.1::OperationType {
-    // TODO: Sync docs.
+    // TODO(b/116445845): Sync docs when all ops are implemented.
     ARGMAX = 38,
     ARGMIN = 39,
     PAD_V2 = 40,