git: openjdk/jdk: 8253005: Add `@throws IOException` in javadoc for `HttpEchange.sendResponseHeaders`

[Patrick Concannon]

Changeset: 5973e91c
Author:    Patrick Concannon <pconcannon at openjdk.org>
Date:      2020-11-13 11:31:25 +0000
URL:       https://github.com/openjdk/jdk/commit/5973e91c

8253005: Add `@throws IOException` in javadoc for `HttpEchange.sendResponseHeaders`

Reviewed-by: dfuchs

! src/jdk.httpserver/share/classes/com/sun/net/httpserver/HttpExchange.java
+ test/jdk/java/net/httpclient/SendResponseHeadersTest.java