add a field to ExecuteResponse.TaskResult proto to store any rejected bot params from the task execution request

Bug: 1070348
Change-Id: Ib4463e8f55e36a1fdbfa32181afa334e5cf96624
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2322602
Commit-Queue: Jared Loucks <jaredloucks@google.com>
Tested-by: Jared Loucks <jaredloucks@google.com>
Reviewed-by: Jared Loucks <jaredloucks@google.com>
Reviewed-by: Prathmesh Prabhu <pprabhu@chromium.org>
diff --git a/go/test_platform/steps/execution.pb.go b/go/test_platform/steps/execution.pb.go
index ee95381..2562b9a 100644
--- a/go/test_platform/steps/execution.pb.go
+++ b/go/test_platform/steps/execution.pb.go
@@ -277,10 +277,14 @@
 	LogData *common.TaskLogData `protobuf:"bytes,9,opt,name=log_data,json=logData,proto3" json:"log_data,omitempty"`
 	// Location, as URL, at which to place low-latency, high-importance
 	// log data which fails the task if not offloaded properly.
-	SynchronousLogDataUrl string   `protobuf:"bytes,10,opt,name=synchronous_log_data_url,json=synchronousLogDataUrl,proto3" json:"synchronous_log_data_url,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{} `json:"-"`
-	XXX_unrecognized      []byte   `json:"-"`
-	XXX_sizecache         int32    `json:"-"`
+	SynchronousLogDataUrl string `protobuf:"bytes,10,opt,name=synchronous_log_data_url,json=synchronousLogDataUrl,proto3" json:"synchronous_log_data_url,omitempty"`
+	// Any rejected task dimensions from the task execution request,
+	// stored as key-value pairs. This field is only populated if the
+	// task was rejected by Swarming due to a lack of matching bot.
+	RejectedTaskDimensions map[string]string `protobuf:"bytes,11,rep,name=rejected_task_dimensions,json=rejectedTaskDimensions,proto3" json:"rejected_task_dimensions,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	XXX_NoUnkeyedLiteral   struct{}          `json:"-"`
+	XXX_unrecognized       []byte            `json:"-"`
+	XXX_sizecache          int32             `json:"-"`
 }
 
 func (m *ExecuteResponse_TaskResult) Reset()         { *m = ExecuteResponse_TaskResult{} }
@@ -371,6 +375,13 @@
 	return ""
 }
 
+func (m *ExecuteResponse_TaskResult) GetRejectedTaskDimensions() map[string]string {
+	if m != nil {
+		return m.RejectedTaskDimensions
+	}
+	return nil
+}
+
 type ExecuteResponse_TaskResult_TestCaseResult struct {
 	// Test case name which is generally independent from task name.
 	// E.g. a task named "tast.critical-system" may have a test case
@@ -487,6 +498,7 @@
 	proto.RegisterType((*ExecuteRequest)(nil), "test_platform.steps.ExecuteRequest")
 	proto.RegisterType((*ExecuteResponse)(nil), "test_platform.steps.ExecuteResponse")
 	proto.RegisterType((*ExecuteResponse_TaskResult)(nil), "test_platform.steps.ExecuteResponse.TaskResult")
+	proto.RegisterMapType((map[string]string)(nil), "test_platform.steps.ExecuteResponse.TaskResult.RejectedTaskDimensionsEntry")
 	proto.RegisterType((*ExecuteResponse_TaskResult_TestCaseResult)(nil), "test_platform.steps.ExecuteResponse.TaskResult.TestCaseResult")
 	proto.RegisterType((*ExecuteResponse_ConsolidatedResult)(nil), "test_platform.steps.ExecuteResponse.ConsolidatedResult")
 }
@@ -496,55 +508,59 @@
 }
 
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+	0x31, 0x97, 0x9c, 0x2d, 0xd8, 0x79, 0xc6, 0xe7, 0xaa, 0xcc, 0x73, 0x26, 0x6f, 0xb0, 0x57, 0x47,
+	0x74, 0x17, 0xbd, 0xd4, 0x39, 0x4f, 0xad, 0x2f, 0xf8, 0x06, 0x1e, 0xbf, 0xa3, 0x9e, 0x96, 0xa7,
+	0x74, 0xb7, 0xfe, 0x94, 0x8e, 0x6a, 0x8f, 0x64, 0xc0, 0x80, 0xdc, 0x1d, 0x50, 0xf2, 0x1a, 0x86,
+	0xae, 0x8b, 0xff, 0xf3, 0x3b, 0x52, 0x11, 0x1c, 0xbd, 0xfc, 0xe9, 0xab, 0x44, 0x84, 0xe6, 0x9e,
+	0xf3, 0xb4, 0xcc, 0x43, 0x21, 0x93, 0x68, 0x65, 0x08, 0x15, 0xa5, 0xc5, 0x85, 0x64, 0x11, 0x7e,
+	0x35, 0x44, 0x89, 0x88, 0x5a, 0xbe, 0x3f, 0xce, 0xfb, 0xe8, 0xfd, 0xfc, 0xdf, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0xbf, 0x98, 0xd9, 0xa4, 0x5f, 0x09, 0x00, 0x00,
 }
diff --git a/src/test_platform/steps/execution.proto b/src/test_platform/steps/execution.proto
index 44d2cf3..150616b 100644
--- a/src/test_platform/steps/execution.proto
+++ b/src/test_platform/steps/execution.proto
@@ -96,6 +96,11 @@
         // Location, as URL, at which to place low-latency, high-importance
         // log data which fails the task if not offloaded properly.
         string synchronous_log_data_url = 10;
+
+        // Any rejected task dimensions from the task execution request,
+        // stored as key-value pairs. This field is only populated if the
+        // task was rejected by Swarming due to a lack of matching bot.
+        map<string, string> rejected_task_dimensions = 11;
     }
 
     // TODO(crbug.com/1020326) Deprecate and delete this in favor of