ClipboardUtils: localize clipboard notification snack

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

ui/src/main/java/com/wireguard/android/util/ClipboardUtils.kt

@@ -11,6 +11,7 @@ import android.widget.TextView
 import androidx.core.content.getSystemService
 import com.google.android.material.snackbar.Snackbar
 import com.google.android.material.textfield.TextInputEditText
+import com.wireguard.android.R
 
 /**
  * Standalone utilities for interacting with the system clipboard.
@@ -28,6 +29,6 @@ object ClipboardUtils {
         }
         val service = view.context.getSystemService<ClipboardManager>() ?: return
         service.setPrimaryClip(ClipData.newPlainText(data.second, data.first))
-        Snackbar.make(view, "${data.second} copied to clipboard", Snackbar.LENGTH_LONG).show()
+        Snackbar.make(view, view.context.getString(R.string.copied_to_clipboard, data.second), Snackbar.LENGTH_LONG).show()
     }
 }