Updating margin and content size for migration cling

Bug: 17446533
Change-Id: I1f980f0565083078ba4f5b7619938083367cbab7
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index befaf37..2c9e689 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -33,6 +33,8 @@
     <dimen name="cling_migration_logo_width">165dp</dimen>
     <dimen name="cling_migration_bg_size">400dp</dimen>
     <dimen name="cling_migration_bg_shift">-200dp</dimen>
+    <dimen name="cling_migration_content_margin">16dp</dimen>
+    <dimen name="cling_migration_content_width">280dp</dimen>
 
 <!-- Workspace -->
     <dimen name="workspace_max_gap">16dp</dimen>