[automerger skipped] Fix ReferencesHidden issues in apache http am: 510567b557 -s ours

am skip reason: Change-Id I8e02af533be5cd0eccad0d9eed0a85c9b1b9b3e8 with SHA-1 2bd03503ee is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/apache-http/+/12402737

Change-Id: I68d29edfb796ea57ccd41da82158f1d1646c4830