Migrate tests to use the handle menu to enter desk

Drag to desktop entrance has been flaky and is making all the tests
fail. To reduce the flakiness to the tests that actually need to use
drag to desktop, move rest of the tests to move with the handle menu.

Bug: 392576701
Test: atest CloseAllAppWithAppHeaderExitLandscape
Flag: EXEMPT Fixing tests
Change-Id: I3713cf2f8bc337f475fdccafdcea0cf90e300bbb