Remove shadow below app info header.

Bug: 37670670
Test: visual
Change-Id: I4ae011098537a970568f9fa72c49847a595a7fe0
diff --git a/res/layout/app_details.xml b/res/layout/app_details.xml
index b05c0dc..c3ffe1a 100644
--- a/res/layout/app_details.xml
+++ b/res/layout/app_details.xml
@@ -112,9 +112,4 @@
 
     </RelativeLayout>
 
-    <!-- Drop shadow -->
-    <View android:layout_width="match_parent"
-          android:layout_height="5dp"
-          android:background="@drawable/action_bar_dropshadow"/>
-
 </LinearLayout>
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