Tweak manga info header backdrop

(cherry picked from commit cef1c4b8a1)

# Conflicts:
#	app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoHeaderAdapter.kt

@@ -1,5 +1,7 @@
 package eu.kanade.tachiyomi.ui.manga.info
 
+import android.graphics.PorterDuff
+import android.os.Build
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -21,6 +23,7 @@ import eu.kanade.tachiyomi.source.online.HttpSource
 import eu.kanade.tachiyomi.source.online.all.MangaDex
 import eu.kanade.tachiyomi.ui.manga.MangaController
 import eu.kanade.tachiyomi.util.system.copyToClipboard
+import eu.kanade.tachiyomi.util.system.getResourceColor
 import exh.MERGED_SOURCE_ID
 import exh.source.getMainSource
 import exh.util.SourceTagsUtil
@@ -296,6 +299,14 @@ class MangaInfoHeaderAdapter(
                             .into(it)
                     }
             }
+
+            if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP) {
+                @Suppress("DEPRECATION")
+                binding.backdropOverlay.background.setColorFilter(
+                    view.context.getResourceColor(android.R.attr.colorBackground),
+                    PorterDuff.Mode.SRC_ATOP
+                )
+            }
         }
 
         /**

app/src/main/java/eu/kanade/tachiyomi/ui/manga/info/MangaInfoItemAdapter.kt

@@ -185,6 +185,7 @@ class MangaInfoItemAdapter(
 
             // backgroundTint attribute doesn't work properly on Android 5
             if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP) {
+                @Suppress("DEPRECATION")
                 binding.mangaInfoToggleMoreScrim.background.setColorFilter(
                     view.context.getResourceColor(android.R.attr.colorBackground),
                     PorterDuff.Mode.SRC_ATOP