Merge "Improve BalVerdict.toString" into main

        public String toString() {

            StringBuilder builder = new StringBuilder();

            builder.append(". BAL Code: ");

            builder.append(balCodeToString(mCode));

            if (DEBUG_ACTIVITY_STARTS) {

                builder.append(" ");

                if (mBackground) {

                    builder.append("Background ");

                }

            builder.append("Activity start allowed: " + mMessage + ".");

            builder.append("BAL Code: ");

            builder.append(balCodeToString(mCode));

                builder.append("Activity start ");

                if (mCode == BAL_BLOCK) {

                    builder.append("denied");

                } else {

                    builder.append("allowed: ").append(mMessage);

                }

                if (mProcessInfo != null) {

                    builder.append(" ");

                    builder.append(mProcessInfo);

                }

            }

            return builder.toString();

        }