Partially revert 7d87417095

DownloadManager is still piece of shit, need time to rewrite

app/src/main/java/com/hippo/ehviewer/dao/EhDatabase.kt

@@ -22,5 +22,7 @@ abstract class EhDatabase : RoomDatabase() {
 }
 
 fun buildMainDB(context: Context): EhDatabase {
-    return Room.databaseBuilder(context, EhDatabase::class.java, "eh.db").build()
+    // TODO: Remove allowMainThreadQueries
+    return Room.databaseBuilder(context, EhDatabase::class.java, "eh.db").allowMainThreadQueries()
+        .build()
 }