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preview attached to bug report

Bug: 201781284
Test: manual
Change-Id: I572360d2d49b38577a7d77115aede4c3269d42e9
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index b1294b4..4d137c8 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -103,6 +103,7 @@
     <dimen name="all_apps_tabs_vertical_padding">6dp</dimen>
     <dimen name="all_apps_divider_height">2dp</dimen>
     <dimen name="all_apps_divider_width">128dp</dimen>
+    <dimen name="all_apps_content_fade_in_offset">150dp</dimen>
 
     <dimen name="all_apps_tip_bottom_margin">8dp</dimen>
     <!-- The size of corner radius of the arrow in the arrow toast. -->