Add LatinKeyboard.spacebarTextRatio attribute

Bug: 5776979
Change-Id: Ia568d1170ed33a000eb3bb02ecdf611e4b5ff2d5
diff --git a/java/res/values-sw768dp/dimens.xml b/java/res/values-sw768dp/dimens.xml
index bb4937d..dbbd844 100644
--- a/java/res/values-sw768dp/dimens.xml
+++ b/java/res/values-sw768dp/dimens.xml
@@ -62,6 +62,7 @@
     <fraction name="key_hint_label_ratio">28%</fraction>
     <fraction name="key_uppercase_letter_ratio">26%</fraction>
     <fraction name="key_preview_text_ratio">50%</fraction>
+    <fraction name="spacebar_text_ratio">29.03%</fraction>
     <dimen name="key_preview_height">15.0mm</dimen>
     <dimen name="key_preview_offset">0.1in</dimen>