Merge "Fix analytics dumping to not throw an exception" into nyc-mr1-dev

            int prefixLength = CallsManager.TELECOM_CALL_ID_PREFIX.length();

            List<String> callIds = new ArrayList<>(sCallIdToInfo.keySet());

            // Sort the analytics in increasing order of call IDs

            try {

                Collections.sort(callIds, (id1, id2) -> {

                    int i1, i2;

                    try {

                        i1 = Integer.valueOf(id1.substring(prefixLength));

                    } catch (NumberFormatException e) {

                        i1 = Integer.MAX_VALUE;

                    }

                    try {

                        i2 = Integer.valueOf(id2.substring(prefixLength));

                    } catch (NumberFormatException e) {

                    return 0;

                        i2 = Integer.MAX_VALUE;

                    }

                    return i1 - i2;

                });

            } catch (IllegalArgumentException e) {

                // do nothing, leave the list in a partially sorted state.

            }

            for (String callId : callIds) {

                writer.printf("Call %s: ", callId);