python3-pygobject: update to 3.32.0

Switch to meson build system.

Add a patch to disable tests.

Add "introspection" to unknown configure option whitelist, as
this recipe needs g-i unconditionally.

(From OE-Core rev: 890a460d2ad9bce8f6a1df055e040f334f958673)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3-pygobject/0001-Do-not-build-tests.patch

@@ -0,0 +1,26 @@
+From c125a806de951359ab7e302b0584f7c92fa451ad Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Fri, 12 Apr 2019 16:25:58 +0200
+Subject: [PATCH] Do not build tests
+
+They require installing tests from g-i, which we do not do.
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/meson.build b/meson.build
+index a63d771..b3925d0 100644
+--- a/meson.build
++++ b/meson.build
+@@ -174,4 +174,4 @@ configure_file(input : 'PKG-INFO.in',
+ 
+ subdir('gi')
+ subdir('pygtkcompat')
+-subdir('tests')
++#subdir('tests')
+-- 
+2.17.1
+