Use //third_party/abseil-cpp/absl/memory instead of //third_party/abseil-cpp/absl/memory:memory in BUILD.gn files. Bug: None Change-Id: I47c915f0847b102b37c5b38009c91b315cd3a1b8 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128615 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27222}