* commit '8598646e5b93e8adf4bcd2489365900d2a4776c6': Revert "This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height."
* commit '8598646e5b93e8adf4bcd2489365900d2a4776c6': Revert "This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height."