Fix system service crash on radio session death. DO NOT MERGE am: 1b16c57b

    }

    private void fanoutAidlCallbackLocked(AidlCallbackRunnable runnable) {

        List<TunerSession> deadSessions = null;

        for (TunerSession tunerSession : mAidlTunerSessions) {

            try {

                runnable.run(tunerSession.mCallback);

            } catch (DeadObjectException ex) {

                // The other side died without calling close(), so just purge it from our

                // records.

                // The other side died without calling close(), so just purge it from our records.

                Slog.e(TAG, "Removing dead TunerSession");

                mAidlTunerSessions.remove(tunerSession);

                if (deadSessions == null) {

                    deadSessions = new ArrayList<>();

                }

                deadSessions.add(tunerSession);

            } catch (RemoteException ex) {

                Slog.e(TAG, "Failed to invoke ITunerCallback: ", ex);

            }

        }

        if (deadSessions != null) {

            mAidlTunerSessions.removeAll(deadSessions);

        }

    }

    public android.hardware.radio.ICloseHandle addAnnouncementListener(@NonNull int[] enabledTypes,