[perforator] Add full license description to the profile format proto

commit_hash:9dc7cea043edb1dc03eb94da69359ee3bdf9be65

perforator/proto/profile/profile.proto

@@ -1,5 +1,19 @@
 // Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
 // Copyright 2024 Yandex LLC. All Rights Reserved.
+// Licensed under the MIT License.
 
 // Profile is a common stacktrace profile format.
 // On-disk, the serialized proto should be zstd-compressed.