Replace some old color attribute usages

app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesHolder.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.ui.recent.updates
 
 import android.view.View
+import androidx.core.content.ContextCompat
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
@@ -25,15 +26,8 @@ import kotlinx.android.synthetic.main.updates_item.manga_title
 class UpdatesHolder(private val view: View, private val adapter: UpdatesAdapter) :
         BaseFlexibleViewHolder(view, adapter) {
 
-    /**
-     * Color of read chapter
-     */
-    private var readColor = view.context.getResourceColor(android.R.attr.textColorHint)
-
-    /**
-     * Color of unread chapter
-     */
-    private var unreadColor = view.context.getResourceColor(android.R.attr.textColorPrimary)
+    private var readColor = ContextCompat.getColor(view.context, R.color.material_on_surface_disabled)
+    private var unreadColor = view.context.getResourceColor(R.attr.colorOnSurface)
 
     /**
      * Currently bound item.