Abbas is pressing the UN to return to the 1947 partician plan, which means that the whole of Jerusalem would be in Palestinian hands. So Bibi and Abbas both seem to be agreeing that Jerusalem should remain united. Who this Jerusalem is to be united for is yet to be determined!
Israeli forces demolish illegal houses, power infrastructure in Palestinian village Aqaba (Haaretz)
from the article: Netanyahu rejects criticism of Jerusalem construction beyond green line