docs: update filter comment now that attribute query restrictions have been lifted

Google APIs · copybara-github · commit 2593ea20054c · 2022-08-25T15:04:01.000-07:00
PiperOrigin-RevId: 470092284
diff --git a/google/maps/fleetengine/delivery/v1/delivery_api.proto b/google/maps/fleetengine/delivery/v1/delivery_api.proto
@@ -274,11 +274,8 @@ message ListDeliveryVehiclesRequest {
   // delivery vehicles are returned.
   //
   // Note that the only queries supported for `ListDeliveryVehicles` are
-  // equality comparisons on vehicle attributes (`attributes.<key> = <value>`).
-  // Comparison operators besides `=` (like `!=`, `>`, `<`, etc.) aren't
-  // supported. Queries that include them are rejected. You can combine
-  // attribute equality queries with **AND**, but not with any other boolean
-  // operator.
+  // on vehicle attributes (for example, `attributes.<key> = <value>` or
+  // `attributes.<key1> = <value1> AND attributes.<key2> = <value2>`).
   string filter = 6 [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. A filter that limits the search area to a rectangle defined by the
