Increase gradient of suggestion bar

bug: 3001007
Change-Id: I0f05d62b2a6848f37975b7a15b3ba14a90776d24
diff --git a/java/res/values-land/dimens.xml b/java/res/values-land/dimens.xml
index 4f87b79..ac0e030 100644
--- a/java/res/values-land/dimens.xml
+++ b/java/res/values-land/dimens.xml
@@ -21,6 +21,7 @@
 <resources>
     <dimen name="key_height">47dip</dimen>
     <dimen name="candidate_strip_height">38dip</dimen>
+    <dimen name="candidate_strip_fading_edge_length">63dip</dimen>
     <dimen name="spacebar_vertical_correction">2dip</dimen>
     <!-- Amount of allowance for selecting keys in a mini popup keyboard by sliding finger. -->
     <!-- key_height * 1.7 -->