Fix tint on AMOLED theme (#966)

Fix tint on AMOLED theme

app/src/main/java/eu/kanade/tachiyomi/ui/manga/chapter/ChapterHolder.kt

@@ -6,7 +6,9 @@ import eu.davidea.viewholders.FlexibleViewHolder
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.data.download.model.Download
+import eu.kanade.tachiyomi.util.getResourceColor
 import eu.kanade.tachiyomi.util.gone
+import eu.kanade.tachiyomi.util.setVectorCompat
 import kotlinx.android.synthetic.main.chapters_item.view.*
 import java.util.*
 
@@ -33,6 +35,9 @@ class ChapterHolder(
             else -> chapter.name
         }
 
+        // Set the correct drawable for dropdown and update the tint to match theme.
+        view.chapter_menu.setVectorCompat(R.drawable.ic_more_horiz_black_24dp, view.context.getResourceColor(R.attr.icon_color))
+
         // Set correct text color
         chapter_title.setTextColor(if (chapter.read) adapter.readColor else adapter.unreadColor)
         if (chapter.bookmark) chapter_title.setTextColor(adapter.bookmarkedColor)