Merge 'goog/jb-ub-mail-ur8' into master

Change-Id: I7d1e9583bca936a770334252dc0046417b642298
tree: e2c13f130e0a8ecb5471c28b2484121a395c9919
  1. carousel/
  2. chips/
  3. common/
  4. photoviewer/
  5. variablespeed/
  6. widget/
  7. CleanSpec.mk