Israel never agreed to include East Jerusalem as part of consented territories, not Camp David or Oslo. In the Camp David accords Jerusalem is not even mentioned by name. There was a broad agreement on autonomy for Gaza and the WB that has been largely implemented.
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Lieberman: U.S. demand to end East Jerusalem building is 'unreasonable'