gnome: add video quality control slider

Refs #77698

Change-Id: I88d5e02d1b6685c0483acd798d44b56028ac9621
diff --git a/pixmaps/pixmaps.gresource.xml b/pixmaps/pixmaps.gresource.xml
index 23c4b62..a143e94 100644
--- a/pixmaps/pixmaps.gresource.xml
+++ b/pixmaps/pixmaps.gresource.xml
@@ -16,5 +16,6 @@
 	<file alias="mute_video">ic_videocam_off_black_24px.svg</file>
 	<file alias="pause">ic_pause_black_24px.svg</file>
 	<file alias="end">ic_clear_black_24px.svg</file>
+	<file alias="quality">ic_high_quality_black_24px.svg</file>
   </gresource>
 </gresources>