Add keras layer.

5 jobs for master in 40 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #306537
docker
lint

00:00:18

 
  Test
passed #306539
docker
unittests_tf1_py3

00:00:20

passed #306541
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unittests_tf2_py3

00:00:22

passed #306538
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unittest_tf1_py2

00:00:19

passed #306540
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unittest_tf2_py2

00:00:21