Add trackingBug number for UnsupportedAppUsage of mMarquee

We should support this usage better in future.
And it's kept in light grey list until new API is released.

Bug: 124050217
Test: N/A
Change-Id: Ia2842d99410965a5b724979f09850839bc84789f
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 659b71f..9347719 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -664,7 +664,7 @@
     @UnsupportedAppUsage
     private CharWrapper mCharWrapper;
 
-    @UnsupportedAppUsage
+    @UnsupportedAppUsage(trackingBug = 124050217)
     private Marquee mMarquee;
     @UnsupportedAppUsage
     private boolean mRestartMarquee;