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During the TLS handshake if the server doesn't support any of the
application protocols requested by the client, send the
no_application_protocol alert and abort the handshake on the server
side. This enforces the requirements of RFC 7301.

Change-Id: Iced2bb5c6efc607497de1c40ee3de9c2b393fa5d
Trust: Roland Shoemaker <>
Trust: Katie Hockman <>
Run-TryBot: Roland Shoemaker <>
TryBot-Result: Go Bot <>
Reviewed-by: Filippo Valsorda <>


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