Reland "Add support for screen sharing with PipeWire on Wayland"

The content_unittests failure was caused by wrong path in the cfi
blacklist (when the files from x11 folder were moved to the linux
folder by this change).

Bug: chromium:682122
Change-Id: I4f7f6c5a73a981feeac18494749f85935e812981
Reviewed-on: https://webrtc-review.googlesource.com/c/110461
Commit-Queue: Tomáš Popela <tomas.popela@gmail.com>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Reviewed-by: Brave Yao <braveyao@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25621}
diff --git a/AUTHORS b/AUTHORS
index 06b4223..590a4c0 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -73,6 +73,9 @@
 Maxim Pavlov <pavllovmax@gmail.com>
 Yusuke Suzuki <utatane.tea@gmail.com>
 Piasy Xu <xz4215@gmail.com>
+Tomas Popela <tomas.popela@gmail.com>
+Jan Grulich <grulja@gmail.com>
+Eike Rathke <erathke@redhat.com>
 
 &yet LLC <*@andyet.com>
 Agora IO <*@agora.io>