Update copyrights

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/webrtc/MagicAudioManager.java

@@ -16,6 +16,17 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Original code:
+ *
+ *
+ * Copyright 2014 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS.  All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
  */
 
 package com.nextcloud.talk.webrtc;

app/src/main/java/com/nextcloud/talk/webrtc/MagicBluetoothManager.java

@@ -26,7 +26,7 @@
  * that can be found in the LICENSE file in the root of the source
  * tree. An additional intellectual property rights grant can be found
  * in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
+ * be found in the AUTHORS file in the root of the source tree.
  */
 
 package com.nextcloud.talk.webrtc;

app/src/main/java/com/nextcloud/talk/webrtc/MagicProximitySensor.java

@@ -43,7 +43,7 @@ import org.webrtc.ThreadUtils;
 
 /**
  * MagicProximitySensor manages functions related to the proximity sensor in
- * the AppRTC demo.
+ * the app.
  * On most device, the proximity sensor is implemented as a boolean-sensor.
  * It returns just two values "NEAR" or "FAR". Thresholding is done on the LUX
  * value i.e. the LUX value of the light sensor is compared with a threshold.