The //third_party/abseil-cpp:absl target is currently a group that
depends on all the targets needed by WebRTC in Chromium.
It will be switched to a component starting from
https://chromium-review.googlesource.com/c/chromium/src/+/2174434.
Bug: chromium:1046390
Change-Id: I70d450fdbfa895084b481c9884b6361d2fb9580d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/176901
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31498}