Merge "[SB] Fix null carrier config during dump." into main

            pw.println("Carrier configs by subId")

            configs.keyIterator().forEach {

                pw.println("  subId=$it")

                pw.println("    config=${configs.get(it).toStringConsideringDefaults()}")

                val config = configs.get(it)

                if (config == null) {

                    pw.println("    config=null (config was removed during dump)")

                } else {

                    pw.println("    config=${config.toStringConsideringDefaults()}")

                }

            }

            // Finally, print the default config

            pw.println("Default config:")