Move to newer tensorflow:2.2.0-custom-op-ubuntu16
Move to newer tensorflow:2.2.0-custom-op-ubuntu16

PiperOrigin-RevId: 324610447
Change-Id: I3ca1116b0cb06ae4830ba1cf20b30dfe31e30d19

deepmind/reverb,deepmind/reverb,deepmind/reverb,deepmind/reverb