[콘텐츠상세][Common] 리스티클 이미지 워터마크 글씨색 변경

app/src/main/res/layout/custom_listicle_image_view_item.xml

@@ -30,5 +30,5 @@
     app:layout_constraintBottom_toBottomOf="parent"
     app:layout_constraintStart_toStartOf="parent"
     tools:text="© instagram @robococodd"
-    tools:textColor="@color/C66000000"/>
+    tools:textColor="@color/C66FFFFFF"/>
 </android.support.constraint.ConstraintLayout>