session: refactoring application_local.c

session: refactoring application_local.c

Moved segment management code to segment_manager.c and rename functions to sm_custom.
Specifically,

ct_session_dealloc_fifos -> sm_custom_segment_dealloc_fifos
ct_lookup_free_segment   -> sm_lookup_free_custom_segment
ct_alloc_segment         -> sm_custom_alloc_segment
ct_init_accepted_session -> sm_custom_segment_alloc_fifos

Unified segment_manager_alloc_fifos and segment_manager_dealloc_fifos with
custom segment. Only exposed segment_manager_alloc/dealloc_fifos as public APIs.

Make use of session_transport_delete_notify instead of custom cleanup.

Type: improvement

Change-Id: Ibd0eaef92e3ebb8da536c5190bcd004571a35fc1
Signed-off-by: Steven Luong <[email protected]>