Merge "Remove aconfig flags dump from DeviceConfig" into main

        for (String line : MyShellCommand.listAll(iprovider)) {

            pw.println(line);

        }

        ArrayList<String> missingFiles = new ArrayList<String>();

        for (String fileName : sAconfigTextProtoFilesOnDevice) {

            File aconfigFile = new File(fileName);

            if (!aconfigFile.exists()) {

                missingFiles.add(fileName);

            }

        }

        if (missingFiles.isEmpty()) {

            pw.println("\nAconfig flags:");

            for (String name : MyShellCommand.listAllAconfigFlags(iprovider)) {

                pw.println(name);

            }

        } else {

            pw.println("\nFailed to dump aconfig flags due to missing files:");

            for (String fileName : missingFiles) {

                pw.println(fileName);

            }

        }

   }

    private static HashSet<String> getAconfigFlagNamesInDeviceConfig() {