Use new interfaces to check BMC state

This change fix includes:
    - Renaming Get BMC State of utils.robot with Deprecated as Suffix
    - Import state manager file for using new Get BMC State
    - Addedd 'Is OS Starting' Keyword to check boot progress state

Resolves  openbmc/openbmc-test-automation#307

Change-Id: I32a3da98de4100f324bbc5704f14a4f4e59980e6
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
3 files changed