Add pl keyboard layout

Bug: 4394303

Change-Id: I0fa24829e1240549728d9b81af3e39a024725016
diff --git a/java/res/values/strings.xml b/java/res/values/strings.xml
index dca4b91..b58efe0 100644
--- a/java/res/values/strings.xml
+++ b/java/res/values/strings.xml
@@ -283,6 +283,8 @@
     <string name="subtype_mode_nb_keyboard">Norwegian Keyboard</string>
     <!-- Description for Dutch keyboard subtype [CHAR LIMIT=35] -->
     <string name="subtype_mode_nl_keyboard">Dutch Keyboard</string>
+    <!-- Description for Polish keyboard subtype [CHAR LIMIT=35] -->
+    <string name="subtype_mode_pl_keyboard">Polish Keyboard</string>
     <!-- Description for Russian keyboard subtype [CHAR LIMIT=35] -->
     <string name="subtype_mode_ru_keyboard">Russian Keyboard</string>
     <!-- Description for Serbian keyboard subtype [CHAR LIMIT=35] -->