Split abandon into pre-abandon(export) and abandon

Splits the existing abandon action into two actions as
below:
1. export: User is recommended to run export successfully
   before doing the abandon action. It returns the stack
   data, which can be used for adopting stack.
2. abandon: Abandons the given stack

Partial-Bug: #1353670

Co-Authored-By: Jason Dunsmore <jasondunsmore@gmail.com>
Change-Id: I65264d91b1378df9cb3e492bc6ccaa778940dd6b
1 file changed
tree: d257a2ab6c13d9462622e4737c19847965d831b2
  1. common/
  2. functional/
  3. scenario/