Incorporate save to home screen with add bookmark dialog.

Bug:2953515

Remove the initial popup menu when pressing the star that
selects between saving to home screen and saving to bookmarks.
Instead, once the add bookmark dialog is open, the user can
select between bookmarks and saving to home screen.

Change-Id: I35e8590ff6a2a7c2058e45e4f77ec6b5d209b0f9
8 files changed