git: openjdk/jdk: 8258696: Temporarily revert use of pattern match instanceof until docs-reference is fixed

[Chris Hegarty]

Changeset: be41468c
Author:    Chris Hegarty <chegar at openjdk.org>
Date:      2020-12-18 19:49:28 +0000
URL:       https://git.openjdk.java.net/jdk/commit/be41468c

8258696: Temporarily revert use of pattern match instanceof until docs-reference is fixed

Reviewed-by: rriggs, dcubed, bpb, jjg, dfuchs, aefimov

! src/java.net.http/share/classes/jdk/internal/net/http/HttpClientImpl.java