Show "Loading " message while loading initial channel list & schedule

components/liveTv/schedule.brs

@@ -75,6 +75,8 @@ sub onScheduleLoaded()
 
         channel.appendChild(item)
     end for
+
+    m.scheduleGrid.showLoadingDataFeedback = false
 end sub
 
 sub onProgramFocused()

components/liveTv/schedule.xml

@@ -7,6 +7,7 @@
     <ProgramDetails id="detailsPane" focusable="true" />
 
     <TimeGrid id="scheduleGrid" translation="[0,600]" 
+              automaticLoadingDataFeedback="false" showLoadingDataFeedback="true"
               focusBitmapUri="pkg:/images/white.9.png" focusBitmapBlendColor="#006fab" 
               programTitleFocusedColor="#ffffff" 
               showPastTimeScreen="true" pastTimeScreenBlendColor="#555555"