[gnome-build-meta] Switch to test sidebranch of freedesktop-sdk and openh264-extension

[Michael Catanzaro <mcatanzaro src gnome org>]

commit f85c5f1ce037a5d6c8fc021b0620e010ad65f9f0
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Apr 23 13:20:54 2020 -0500

    Switch to test sidebranch of freedesktop-sdk and openh264-extension
    
    This is to test the new packaging of OpenH264.

 junction.refs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/junction.refs b/junction.refs
index 17e0db44..3a1bfd78 100644
--- a/junction.refs
+++ b/junction.refs
@@ -1,6 +1,6 @@
 projects:
   gnome:
     freedesktop-sdk.bst:
-    - ref: freedesktop-sdk-19.08.9-0-g076fe9d30f37224a1bd756a177e33399dad37e8d
+    - ref: 508c12d9ad0219ab72d0dcc5fb10bb19bebec13f
     openh264-extension.bst:
-    - ref: 08de6b4315f76b6b09a7cfc9889b61d072cf15ea
+    - ref: b3ccf8d064ac3beaa3359e48057f1bce0c0d97c7