am 4db31657: Merge "This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height." into jb-mr1-dev

* commit '4db3165793a837ffc8197184fbc13ef2217e3dfc':
  This restores JB MR0 behavior where the framework throws an exception for improper layouts that are missing layout_width and/or layout_height.