CEC: Drop TODOs marked as fixed/obsolete

Bug: 159901363
Test: None
Change-Id: Ibc18c8eafd65bba6f8b179e20034a1b8fd78f324
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
index afaae8a..0677bd5 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceAudioSystem.java
@@ -806,7 +806,6 @@
                     Arrays.stream(device.getEncodings()).mapToObj(
                             AudioFormat::toLogFriendlyEncoding
                     ).collect(Collectors.joining(", ")));
-            // TODO(b/80297701) use the actual device type that system audio mode is connected to.
             if (device.getType() == AudioDeviceInfo.TYPE_HDMI_ARC) {
                 return device;
             }
@@ -1225,7 +1224,6 @@
         if (isSystemAudioActivated() && port < 0) {
             // If system audio mode is on and the new active source is not under the current device,
             // Will switch to ARC input.
-            // TODO(b/115637145): handle system aduio without ARC
             routeToInputFromPortId(Constants.CEC_SWITCH_ARC);
         } else if (mIsSwitchDevice && port >= 0) {
             // If current device is a switch and the new active source is under it,
@@ -1326,7 +1324,6 @@
 
     // Handle the system audio(ARC) part of the logic on receiving routing change or information.
     private void handleRoutingChangeAndInformationForSystemAudio() {
-        // TODO(b/115637145): handle system aduio without ARC
         routeToInputFromPortId(Constants.CEC_SWITCH_ARC);
     }
 
diff --git a/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java b/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
index 3f949ba..ec41a2f 100644
--- a/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
+++ b/services/core/java/com/android/server/hdmi/HdmiCecMessageBuilder.java
@@ -475,7 +475,6 @@
      * @return newly created {@link HdmiCecMessage}
      */
     static HdmiCecMessage buildReportShortAudioDescriptor(int src, int des, byte[] sadBytes) {
-        // TODO(b/80297701) validate.
         return buildCommand(src, des, Constants.MESSAGE_REPORT_SHORT_AUDIO_DESCRIPTOR, sadBytes);
     }