MAINT-7017 Stop All was preventing media from playing

indra/newview/llviewermedia.cpp

@@ -931,7 +931,7 @@ void LLViewerMedia::setAllMediaPaused(bool val)
 {
     // Set "tentative" autoplay first.  We need to do this here or else
     // re-enabling won't start up the media below.
-    gSavedSettings.setBOOL("MediaTentativeAutoPlay", val);
+    gSavedSettings.setBOOL("MediaTentativeAutoPlay", !val);
 
     // Then
     impl_list::iterator iter = sViewerMediaImplList.begin();