add droppedAnnotations to output validation schema

Author: gregsdennis

output/schema.json

@@ -31,6 +31,10 @@
           "type": "object",
           "additionalProperties": true
         },
+        "droppedAnnotations": {
+          "type": "object",
+          "additionalProperties": true
+        },
         "errors": {
           "type": "object",
           "additionalProperties": { "type": "string" }
@@ -40,7 +44,14 @@
       "allOf": [
         {
           "if": {
-            "required": [ "errors" ]
+            "anyOf": [
+              {
+                "required": [ "errors" ]
+              },
+              {
+                "required": [ "droppedAnnotations" ]
+              }
+            ]
           },
           "then": {
             "properties": {