Dialer: handle database downgrade from lineage-16.0

    db.execSQL("ALTER TABLE smartdial_table ADD carrier_presence INTEGER NOT NULL DEFAULT 0");

  }

  @Override

  public void onDowngrade(SQLiteDatabase db, int oldNumber, int newNumber) {

    // Disregard the old version and new versions provided by SQLiteOpenHelper, we will read

    // our own from the database.

    int oldVersion;

    oldVersion = getPropertyAsInt(db, DATABASE_VERSION_PROPERTY, 0);

    if (oldVersion == 0) {

      LogUtil.e(

          "DialerDatabaseHelper.onDowngrade", "malformed database version..recreating database");

      setupTables(db);

      return;

    }

    if (oldVersion == 70011) {

      oldVersion = 10;

    }

    if (oldVersion != DATABASE_VERSION) {

      throw new IllegalStateException(

          "error downgrading the database to version " + DATABASE_VERSION);

    }

    setProperty(db, DATABASE_VERSION_PROPERTY, String.valueOf(DATABASE_VERSION));

  }

  /** Stores a key-value pair in the {@link Tables#PROPERTIES} table. */

  public void setProperty(String key, String value) {

    setProperty(getWritableDatabase(), key, value);