Leave error handling the same as old workflow using dumpstate

Removing the TODO as won't be working on improving error handling as
part of this bug. Created another bug (b/138576498) to work on better
error handling.

Bug: 123617758
Bug: 127431371
Test: builds (only removing comment)
Change-Id: I8a7fea416e9871909cfb3cc801232bff6056536e
diff --git a/packages/Shell/src/com/android/shell/BugreportProgressService.java b/packages/Shell/src/com/android/shell/BugreportProgressService.java
index c9bb83c..0a71db9 100644
--- a/packages/Shell/src/com/android/shell/BugreportProgressService.java
+++ b/packages/Shell/src/com/android/shell/BugreportProgressService.java
@@ -365,8 +365,10 @@
             checkProgressUpdated(mInfo, (int) progress);
         }
 
-        // TODO(b/127431371): Add error code handling for bugreport API errors.
-        // Logging errors and removing progress notification for now.
+        /**
+         * Logs errors and stops the service on which this bugreport was running.
+         * Also stops progress notification (if any).
+         */
         @Override
         public void onError(@BugreportErrorCode int errorCode) {
             stopProgress(mId);