Don't fail when closing the writer if it cannot confirm inserted items.
Don't fail when closing the writer if it cannot confirm inserted items.

This causes that the writer is not closed, the stream is not removed, and we may try to call WritesDone again if close is called twice.

PiperOrigin-RevId: 356209844
Change-Id: I254855aa41408db91a1c9f0c89de4f5a3c15f8f8

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