Merge remote-tracking branch 'goog/jb-mr2-dev' into ur9

Change-Id: I1322290c0b5db087429c21750720029814b575d8
tree: ae37c7f68d9e652ad6fdd5d8d5da87c478495db0
  1. carousel/
  2. chips/
  3. common/
  4. photoviewer/
  5. variablespeed/
  6. widget/
  7. CleanSpec.mk