Tweak base line of key top letter

Bug: 3285380
Change-Id: Idf6b9b7e000d87df924742634188d193f948130f
diff --git a/java/res/values-xlarge-land/dimens.xml b/java/res/values-xlarge-land/dimens.xml
index 5b9d50a..8737cae 100644
--- a/java/res/values-xlarge-land/dimens.xml
+++ b/java/res/values-xlarge-land/dimens.xml
@@ -19,6 +19,18 @@
 -->
 
 <resources>
+    <!-- keyboardHeight = key_height*4 + key_bottom_gap*3 -->
+    <dimen name="keyboardHeight">58.0mm</dimen>
+    <!-- key_height + key_bottom_gap = popup_key_height -->
+    <!-- <dimen name="key_height">14.5mm</dimen> -->
+    <dimen name="key_bottom_gap">0.0mm</dimen>
+    <dimen name="key_horizontal_gap">0.0mm</dimen>
+    <dimen name="popup_key_height">13.0mm</dimen>
+    <dimen name="keyboard_top_padding">0.0mm</dimen>
+    <dimen name="keyboard_bottom_padding">0.0mm</dimen>
+    <!-- key_height x 1.0 -->
+    <dimen name="key_preview_height">13.0mm</dimen>
+
     <dimen name="key_letter_size">28dip</dimen>
     <dimen name="key_label_text_size">20dip</dimen>
     <!-- left or right padding of label alignment -->