Update todo to point to a correct bug

Bug: 268520433
Change-Id: I884a0ec4b8654b7be572c256341880654a8358b7
Test: n/a

packages/SystemUI/shared/src/com/android/systemui/flags/Flag.kt

@@ -145,7 +145,7 @@ data class SysPropBooleanFlag constructor(
     override val namespace: String,
     override val default: Boolean = false,
 ) : SysPropFlag<Boolean> {
-    // TODO(b/223379190): Teamfood not supported for sysprop flags yet.
+    // TODO(b/268520433): Teamfood not supported for sysprop flags yet.
     override val teamfood: Boolean = false
 }