am 932ec21b: Merge "Null check; back behavior" into jb-dev

* commit '932ec21b60a7829e0535b105172045daaed3278e':
  Null check; back behavior
tree: 3040be8f774e830c52dfdf21b1770695645fb6b1
  1. carousel/
  2. chips/
  3. common/
  4. variablespeed/
  5. CleanSpec.mk