Updated git submodules

Updated git submodules

Project: netconf stable/boron 82064bd4b8276bac685cc1122b75822e05d899c8

Merge "Bug 8405: Add close check to NetconfDevice" into stable/boron

Bug 8405: Add close check to NetconfDevice

Since schema resolution runs in its own thread, it is possible,
that handleSalInitializationSuccess is called when
NetconfDeviceCommunicator was closed meanwhile. Add check to
prevent this.

Change-Id: If93d32b26f0b98c4c0d47fdd65fdb5104db20bc5
Signed-off-by: Andrej Mak <andrej.mak@pantheon.tech>