Method logMigration

app/src/main/java/eu/faircode/email/DB.java:766–771

(int startVersion, int endVersion)

    }

    private static void logMigration(int startVersion, int endVersion) {
        Map<String, String> crumb = new HashMap<>();
        crumb.put("startVersion", Integer.toString(startVersion));
        crumb.put("endVersion", Integer.toString(endVersion));
        Log.breadcrumb("Migration", crumb);
    }

    private static RoomDatabase.Builder<DB> migrate(final Context context, RoomDatabase.Builder<DB> builder) {
        // https://www.sqlite.org/lang_altertable.html