Removing menu and dialog for custom actions hanlding.

These do not work well with gesture-nav and can potentially
block the Launcher UI.

Instead exposing on custom actions with keyboard accelerator and
using thee internal arrowPopup for resize options
Fixing SecondoryDropTarget not sending appropriate stats log

Bug: 179854703
Test: Verified on device
Change-Id: I268690f8a937896e4350496128a38959003f8939