[libadwaita] (2 commits) Non-fast-forward update to branch wip/exalm/arrows

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/arrows' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  3f115e7... stylesheet: Support arrow menu buttons

Commits added to the branch:

  a9e2ce8... Add Chinese (China) translation (*)
  caa50b5... stylesheet: Support arrow menu buttons

(*) This commit already existed in another branch; no separate mail sent