Amend: Removed second create index pattern in SchemaManager and added a contains check
instead. Added a StringUtil replace method.
In StringUtil replace method, fixed increment of targetIndex before loop indexOf
check.
Change-Id: Ic3538db7298e295470afad2b6cf63ea9bf0fc5fd
Former-commit-id: 1ed7ce737e6a8d42db2c70892fc2173b5000b44e