Fix non-translatable strings

app/src/main/java/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -37,7 +37,7 @@ class RemoteListViewModel(
 		when {
 			list.isNullOrEmpty() && error != null -> listOf(error.toErrorState(canRetry = true))
 			list == null -> listOf(LoadingState)
-			list.isEmpty() -> listOf(EmptyState(R.drawable.ic_book_cross, R.string.nothing_found, R.string._empty))
+			list.isEmpty() -> listOf(EmptyState(R.drawable.ic_book_cross, R.string.nothing_found, R.string.empty))
 			else -> {
 				val result = ArrayList<ListModel>(list.size + 3)
 				result += headerModel

app/src/main/res/values/constants.xml

@@ -1,22 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-	<string-array name="values_theme">
+	<string name="empty" translatable="false" />
+	<string-array name="values_theme" translatable="false">
 		<item>-1</item>
 		<item>1</item>
 		<item>2</item>
 	</string-array>
-	<string-array name="values_reader_switchers">
+	<string-array name="values_reader_switchers" translatable="false">
 		<item>taps</item>
 		<item>volume</item>
 	</string-array>
-	<string-array name="values_reader_switchers_default">
+	<string-array name="values_reader_switchers_default" translatable="false">
 		<item>taps</item>
 	</string-array>
-	<string-array name="values_track_sources">
+	<string-array name="values_track_sources" translatable="false">
 		<item>favourites</item>
 		<item>history</item>
 	</string-array>
-	<string-array name="values_track_sources_default">
+	<string-array name="values_track_sources_default" translatable="false">
 		<item>favourites</item>
 	</string-array>
 </resources>