relnote: Deprecate --quic_auto_tune_receive_window.

relnote: Deprecate --quic_auto_tune_receive_window.

Change code to enable receive buffer flow control auto tuning on server
side, with
an initial window size of 32KB for streams, and 48KB for the connection.

- remove auto-tuning related connection option tags.
- remove connection option code that was used to configure auto-tuning
  under the experiment.

Merge internal change: 118983961

BUG=

[Zhongyi Shi, 2016-04-08 04:54:21]

zhongyi@chromium.org changed reviewers:
+ rch@chromium.org

[Zhongyi Shi, 2016-04-11 17:36:14]

Description was changed from

==========
relnote: Deprecate --quic_auto_tune_receive_window.

Change code to enable receive buffer flow control auto tuning on server
side, with
an initial window size of 32KB for streams, and 48KB for the connection.

- remove auto-tuning related connection option tags.
- remove connection option code that was used to configure auto-tuning
  under the experiment.

Merge internal change: 118983961

BUG=
==========

to

==========
relnote: Deprecate --quic_auto_tune_receive_window.

Change code to enable receive buffer flow control auto tuning on server
side, with
an initial window size of 32KB for streams, and 48KB for the connection.

- remove auto-tuning related connection option tags.
- remove connection option code that was used to configure auto-tuning
  under the experiment.

Merge internal change: 118983961

BUG=
==========

[Zhongyi Shi, 2016-04-11 17:36:14]

zhongyi@chromium.org changed reviewers:
+ rtenneti@chromium.org

[ramant (doing other things), 2016-04-11 18:19:01]

lgtm