Add space on the top of account header text.

As yuechen requested, add more space on the top of "Saving to"
account header.

Change-Id: I83a66221e3397425fa39330c7f66005e8c24ba2d
diff --git a/res/layout/compact_account_info.xml b/res/layout/compact_account_info.xml
index a31e12d..f81d963 100644
--- a/res/layout/compact_account_info.xml
+++ b/res/layout/compact_account_info.xml
@@ -37,6 +37,7 @@
             android:layout_height="wrap_content"
             android:layout_width="0dp"
             android:layout_weight="1"
+            android:layout_marginTop="@dimen/compact_editor_account_header_top_margin"
             android:layout_marginStart="@dimen/compact_editor_account_left_margin"
             android:layout_gravity="center_vertical"
             android:orientation="vertical"