Add binary stream functionality and helpers

Signed-off-by: Derek McGowan <derek@mcg.dev>

api/next.pb.txt

@@ -6041,7 +6041,6 @@ file {
 file {
   name: "github.com/containerd/containerd/api/types/transfer/streaming.proto"
   package: "containerd.v1.types"
-  dependency: "google/protobuf/timestamp.proto"
   message_type {
     name: "Progress"
     field {
@@ -6073,6 +6072,26 @@ file {
       json_name: "total"
     }
   }
+  message_type {
+    name: "Data"
+    field {
+      name: "data"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_BYTES
+      json_name: "data"
+    }
+  }
+  message_type {
+    name: "WindowUpdate"
+    field {
+      name: "update"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_INT32
+      json_name: "update"
+    }
+  }
   options {
     go_package: "github.com/containerd/containerd/api/types/transfer"
   }