Add "Share" option back to context menu for images.

  Bug: 5904671

Change-Id: Id5b26035ddc8c04decc5f43ae4b859b396839a82
diff --git a/res/menu/browsercontext.xml b/res/menu/browsercontext.xml
index a8ae5c8..8137a67 100644
--- a/res/menu/browsercontext.xml
+++ b/res/menu/browsercontext.xml
@@ -52,6 +52,8 @@
             android:title="@string/contextmenu_view_image"/>
         <item android:id="@+id/set_wallpaper_context_menu_id"
             android:title="@string/contextmenu_set_wallpaper"/>
+        <item android:id="@+id/share_link_context_menu_id"
+            android:title="@string/contextmenu_sharelink"/>
     </group>
     <group android:id="@+id/SELECT_TEXT_MENU">
         <item android:id="@+id/select_text_menu_id"