Add an force parameter to the API layer that lets the user choose
whether to go through the scheduler or not, which is boolean.and
default is False,set True means extend share directly, set False
means extend share will go through scheduler.
Add an new min_version 2.64 to extend share api. force parameter
only support min_version >= 2.64.
Closes-Bug:#1855391
Change-Id: I6da36a687a37c78a7fb7d3f252318d03d4a05133