Modify OTM & SRM according to spec CR document.

Modify OTM & SRM according to spec CR document.

NOTE : This patch is modified based on ownership transfer CR document.
Please refer to https://workspace.openinterconnect.org/apps/org/workgroup/security_tg/download.php/4703/STG008_OIC%20CR%20Ownership%20Transfer%20sequence%20diagram%20v2.docx
This CR document seems to be applied to next spec.
I'd like to apply CR to save time for prepare 1.1.0 release.

This patch includes the following modifications :
   1. Modify not to include private data when OBT sends owner credential.
        - Please see the step 19 of CR document.

   2. Modify to re-establish secure session using owner credential
      when owner credential was successfully exchanged.
        - We can verify owner credential through re-establish secure session.
        - Please see the step 38,39 of CR docuemnt.

   3. Add logic to handle errors that occurred during ownership transfer.

[Patch #1] Initial upload.
[Patch #2] Add logic to handle errors
[Patch #3] Remove the compile errors and warnings.
[Patch #4] Retrigger
[Patch #5] Retrigger
[Patch #6] Rebase
[Patch #7] Rebase
[Patch #8] Update based on self-review.
[Patch #9] Rebase
[Patch #10] Retrigger
[Patch #11] Modify according to Mr.JongSung Lee's comment.

Change-Id: If3d8f21ef686db86dbfcc1b15382eeebaa232a9d
Signed-off-by: leechul <chuls.lee@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5341
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
Tested-by: Randeep Singh <randeep.s@samsung.com>