Import translations. DO NOT MERGE

Change-Id: Ief992cfe5f864412e0d4e729489ef630654bd064
diff --git a/res/values-pl/strings.xml b/res/values-pl/strings.xml
index 2a883b7..d549019 100644
--- a/res/values-pl/strings.xml
+++ b/res/values-pl/strings.xml
@@ -223,8 +223,7 @@
     <string name="folderMode" msgid="553052020619895714">"Ustaw tryb folderu"</string>
     <string name="search_results_searching_header" msgid="3821361153909466819">"Wyszukiwanie…"</string>
     <string name="recent_folders" msgid="8240081561436891330">"Najnowsze"</string>
-    <!-- no translation found for add_label (1638508840481944248) -->
-    <skip />
+    <string name="add_label" msgid="1638508840481944248">"Dodaj etykietę"</string>
     <string name="expand_recipient_details" msgid="2266544827446346880">"Rozwiń szczegóły odbiorcy"</string>
     <string name="collapse_recipient_details" msgid="3608892454869745927">"Zwiń szczegóły odbiorcy"</string>
     <string name="contact_info_string" msgid="6911322458329265644">"Pokaż informacje kontaktowe: <xliff:g id="NAME">%1$s</xliff:g>"</string>