Merge pull request #17588 from KevinGrandon/bug_987753_vertical_homescreen_initial

Bug 987753 - Land a vertical homescreen in test_apps
Bug 994800 - [Home2] Persist item location
Merge pull request #12 from KevinGrandon/bug_994800_home2_item_persistence

Bug 994800 - [Home2] Persist item location