fix: remove invalid event from 10_burgers sample test trace

Fix 10_burgers.json sample test replay by removing an erroneous premature function response event (e-4) that referenced tool call fc-3 before fc-3 was emitted by the model.

Co-authored-by: Jason Zhang <jasoncz@google.com>
PiperOrigin-RevId: 962270570

Author: jazhang00

contributing/samples/multi_agent/task_sub_agent/tests/10_burgers.json

@@ -59,29 +59,6 @@
         "path": "coordinator@1/order_collector@fc-1"
       }
     },
-    {
-      "author": "user",
-      "content": {
-        "parts": [
-          {
-            "functionResponse": {
-              "id": "fc-3",
-              "name": "adk_request_confirmation",
-              "response": {
-                "confirmed": true,
-                "payload": {}
-              }
-            }
-          }
-        ],
-        "role": "user"
-      },
-      "id": "e-4",
-      "invocationId": "",
-      "nodeInfo": {
-        "path": ""
-      }
-    },
     {
       "author": "user",
       "content": {
@@ -92,7 +69,7 @@
         ],
         "role": "user"
       },
-      "id": "e-5",
+      "id": "e-4",
       "invocationId": "i-2",
       "nodeInfo": {
         "path": ""
@@ -110,7 +87,7 @@
         "role": "model"
       },
       "finishReason": "STOP",
-      "id": "e-6",
+      "id": "e-5",
       "invocationId": "i-2",
       "isolationScope": "fc-1",
       "nodeInfo": {
@@ -127,7 +104,7 @@
         ],
         "role": "user"
       },
-      "id": "e-7",
+      "id": "e-6",
       "invocationId": "i-3",
       "nodeInfo": {
         "path": ""
@@ -149,7 +126,7 @@
         "role": "model"
       },
       "finishReason": "STOP",
-      "id": "e-8",
+      "id": "e-7",
       "invocationId": "i-3",
       "isolationScope": "fc-1",
       "longRunningToolIds": [],
@@ -182,7 +159,7 @@
         ],
         "role": "model"
       },
-      "id": "e-9",
+      "id": "e-8",
       "invocationId": "i-3",
       "isolationScope": "fc-1",
       "longRunningToolIds": [
@@ -218,7 +195,7 @@
         ],
         "role": "user"
       },
-      "id": "e-10",
+      "id": "e-9",
       "invocationId": "i-3",
       "isolationScope": "fc-1",
       "nodeInfo": {