Remove use of selectors matching Apple private API names.

This was causing some apps that include WebRTC to be rejected from the
app store.

BUG=webrtc:6382

Review-Url: https://codereview.webrtc.org/2679913002
Cr-Commit-Position: refs/heads/master@{#16462}
diff --git a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.h b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.h
index ef5cec4..199fd17 100644
--- a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.h
+++ b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.h
@@ -52,12 +52,12 @@
 /** Called on a system notification thread when AVAudioSession media server
  *  terminates.
  */
-- (void)audioSessionMediaServicesWereLost:(RTCAudioSession *)session;
+- (void)audioSessionMediaServerTerminated:(RTCAudioSession *)session;
 
 /** Called on a system notification thread when AVAudioSession media server
  *  restarts.
  */
-- (void)audioSessionMediaServicesWereReset:(RTCAudioSession *)session;
+- (void)audioSessionMediaServerReset:(RTCAudioSession *)session;
 
 // TODO(tkchin): Maybe handle SilenceSecondaryAudioHintNotification.
 
diff --git a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
index f690184..4d9b977 100644
--- a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
+++ b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
@@ -810,18 +810,18 @@
 
 - (void)notifyMediaServicesWereLost {
   for (auto delegate : self.delegates) {
-    SEL sel = @selector(audioSessionMediaServicesWereLost:);
+    SEL sel = @selector(audioSessionMediaServerTerminated:);
     if ([delegate respondsToSelector:sel]) {
-      [delegate audioSessionMediaServicesWereLost:self];
+      [delegate audioSessionMediaServerTerminated:self];
     }
   }
 }
 
 - (void)notifyMediaServicesWereReset {
   for (auto delegate : self.delegates) {
-    SEL sel = @selector(audioSessionMediaServicesWereReset:);
+    SEL sel = @selector(audioSessionMediaServerReset:);
     if ([delegate respondsToSelector:sel]) {
-      [delegate audioSessionMediaServicesWereReset:self];
+      [delegate audioSessionMediaServerReset:self];
     }
   }
 }
diff --git a/webrtc/modules/audio_device/ios/objc/RTCAudioSessionDelegateAdapter.mm b/webrtc/modules/audio_device/ios/objc/RTCAudioSessionDelegateAdapter.mm
index b554e51..ee142d7 100644
--- a/webrtc/modules/audio_device/ios/objc/RTCAudioSessionDelegateAdapter.mm
+++ b/webrtc/modules/audio_device/ios/objc/RTCAudioSessionDelegateAdapter.mm
@@ -64,10 +64,10 @@
   }
 }
 
-- (void)audioSessionMediaServicesWereLost:(RTCAudioSession *)session {
+- (void)audioSessionMediaServerTerminated:(RTCAudioSession *)session {
 }
 
-- (void)audioSessionMediaServicesWereReset:(RTCAudioSession *)session {
+- (void)audioSessionMediaServerReset:(RTCAudioSession *)session {
 }
 
 - (void)audioSession:(RTCAudioSession *)session
diff --git a/webrtc/modules/audio_device/ios/objc/RTCAudioSessionTest.mm b/webrtc/modules/audio_device/ios/objc/RTCAudioSessionTest.mm
index 93a1e90..cb87910 100644
--- a/webrtc/modules/audio_device/ios/objc/RTCAudioSessionTest.mm
+++ b/webrtc/modules/audio_device/ios/objc/RTCAudioSessionTest.mm
@@ -32,10 +32,10 @@
     previousRoute:(AVAudioSessionRouteDescription *)previousRoute {
 }
 
-- (void)audioSessionMediaServicesWereLost:(RTCAudioSession *)session {
+- (void)audioSessionMediaServerTerminated:(RTCAudioSession *)session {
 }
 
-- (void)audioSessionMediaServicesWereReset:(RTCAudioSession *)session {
+- (void)audioSessionMediaServerReset:(RTCAudioSession *)session {
 }
 
 - (void)audioSessionShouldConfigure:(RTCAudioSession *)session {