Merge changes  into stage-aosp-master am: 0f9dc55ce1
am: cfd0b010d6

Change-Id: I33046e52ac1c59f755ef30cbf39203d914ed77c6
tree: a902a9fc5f4aea1bc9669046513a082c22c05dc3
  1. atom_field_options.proto
  2. atoms.proto