Update image life cycle tests

*Updated image_life_cycle module
-Updated variable names
*Updated image_life_cycle_tenant_permissions module
*Updated image_member_life_cycle module
*Updated image_membership_sharing_cycle module
*Updated image_sharing_deletion_accessibility_cycle module
*Updated image_visibility module
*Updated image_visibility_life_cycle module
*Updated shared_image_visibility module
-Updated tests due to behavior, fixture and config changes
-Updated test steps

Change-Id: I8a3d778fd12110052812040cfdaf0f28e4ca60ef
Merge "Update image life cycle tests"