[automerger skipped] Add CTS for creating keepalive offloads on cellular
am: 2419976be4 -s ours
am skip reason: change_id Ia7b1111abe687efad032a8c9205990c97a769fcd with SHA1 487b0401c0 is in history

Change-Id: I13acb44663576e3237646877bb1f71e0d48c6914
tree: c38e9a8abeb3d3d6a044355b1e88f5dc7c8e0c76
  1. tests/