Merge "HDMI: Fix comment about eARC disabling and pending ARC." into udc-dev am: 91e4b9de52 am: bc8fa8c215

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23408496

Change-Id: I031d74a2f2d1ce21b3cdd7e459b717c305923f07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/hdmi/HdmiControlService.java

@@ -4725,13 +4725,11 @@ public class HdmiControlService extends SystemService {
             Slog.w(TAG, "Tried to update eARC status on a port that doesn't support eARC.");
             return;
         }
-        // If eARC is disabled, the local device is null. In this case, the HAL shouldn't have
-        // reported connection state changes, but even if it did, it won't take effect.
         if (mEarcLocalDevice != null) {
             mEarcLocalDevice.handleEarcStateChange(status);
         } else if (status == HDMI_EARC_STATUS_ARC_PENDING) {
-            // If the local device is null we notify the Audio Service that eARC connection
-            // is disabled.
+            // If eARC is disabled, the local device is null. This is why we notify
+            // AudioService here that the eARC connection is terminated.
             notifyEarcStatusToAudioService(false, new ArrayList<>());
             startArcAction(true, null);
         }