AudioFlinger: Remove unnecessary friends

Remove obsolete TODOs, replace as needed with specific bug numbers.

Test: compiles
Bug: 288339104
Merged-In: Ied525f2f100203800f746239685e77b8e033618e
Change-Id: Ied525f2f100203800f746239685e77b8e033618e
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index bd4804c..84cceb6 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -388,7 +388,6 @@
     : BnAudioTrack(),
       mTrack(track)
 {
-    // TODO(b/288339104) binder thread priority change not needed.
     setMinSchedulerPolicy(SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
 }
 
@@ -2614,7 +2613,6 @@
     : BnAudioRecord(),
     mRecordTrack(recordTrack)
 {
-    // TODO(b/288339104) binder thread priority change not needed.
     setMinSchedulerPolicy(SCHED_NORMAL, ANDROID_PRIORITY_AUDIO);
 }
 
@@ -2669,7 +2667,7 @@
 #define LOG_TAG "AF::RecordTrack"
 
 
-/* static */ // TODO(b/288339104)
+/* static */
 sp<IAfRecordTrack> IAfRecordTrack::create(IAfRecordThread* thread,
         const sp<Client>& client,
         const audio_attributes_t& attr,