update.

Author: cloudwebrtc

LICENSE-APACHE

@@ -0,0 +1,26 @@
+###################################################################################
+
+The following modifications follow Apache License 2.0 from shiguredo.
+
+https://github.com/webrtc-sdk/webrtc/commit/dfec53e93a0a1cb93f444caf50f844ec0068c7b7
+https://github.com/webrtc-sdk/webrtc/commit/403b4678543c5d4ac77bd1ea5753c02637b3bb89
+https://github.com/webrtc-sdk/webrtc/commit/77d5d685a90fb4bded17835ae72ec6671b26d696
+
+Apache License 2.0
+
+Copyright 2019-2021, Wandbox LLC (Original Author)
+Copyright 2019-2021, Shiguredo Inc.
+
+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.
+
+#####################################################################################

NOTICE

@@ -33,13 +33,3 @@ native API header files.
 ### Note
 
 This is a community maintenance project, not the official Google WebRTC repository. It is maintained by some contributors with WebRTC development experience, and the goal is to create a flexible binary release version.
-
-* The original code was cloned from [google webrtc](https://chromium.googlesource.com/external/webrtc.git) and released with [BSD license](/LICENSE).
-
-* Many of these patches ([#3](https://github.com/webrtc-sdk/webrtc/pull/3), [#4](https://github.com/webrtc-sdk/webrtc/pull/4), [#6](https://github.com/webrtc-sdk/webrtc/pull/6)) come from [shiguredo-webrtc-build/webrtc-build/patches](https://github.com/shiguredo-webrtc-build/webrtc-build/tree/master/patches) and released with [Apache-2.0](/LICENSE-APACHE).
-
-### Who is using this project?
-
-* [flutter-webrtc](https://github.com/flutter-webrtc)
-
-* [LiveKit](https://github.com/livekit/)