[mutter] (12 commits) Non-fast-forward update to branch gbsneto/installed-tests

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/installed-tests' 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:

  7cc1cdc... cogl/tests: Use temp log file when .log isn't writable
  c871954... cogl/tests: Append test output to log file
  570d86d... Add Meson support for installed tests
  de88e4f... meta/tests: Remove commented lines
  b96d80e... meson: Print some configure flags

Commits added to the branch:

  9f3d321... input-settings: treat a serial of 1 as serial of 0 (*)
  a7df459... clutter: Avoid rounding compensation when invalidating 2D a (*)
  3c6a518... compositor: Avoid changing pipeline/source if shadow is not (*)
  4139907... cogl: Ensure to only clear the depth buffer if depth testin (*)
  2e79d05... Revert "Revert "ClutterActor: Optimize away idempotent scal (*)
  697aeae... clutter/tests: Update expectations in actor-anchors test (*)
  1d73533... tests: Don't check pixels outside actor allocation (*)
  9ce7ce0... cogl/tests: Use temp log file when .log isn't writable (*)
  42195e3... cogl/tests: Append test output to log file (*)
  7b76e13... Add Meson support for installed tests (*)
  9ec9876... meta/tests: Remove commented lines (*)
  570e800... meson: Print some configure flags (*)

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