am 3c9fceae: am 627cab12: am 45693e50: am c9a4badb: am d915dcac: Layoutlib tests now check methods return value [DO NOT MERGE]

* commit '3c9fceaeb4a00c1f9b9728fa703d97894e718e81':
  Layoutlib tests now check methods return value [DO NOT MERGE]