Prevent advance <-> idle pingpong

If we moved advance -> idle, it means physical link status is inactive(be it determined by PCC or notified from DNC). Then, unless physical link changed to active again, any attempts to move back to advance should be ignored.

Fix: 350390372
Test: b/350390372#comment47
Flag: EXEMPT bugfix
Change-Id: I5a01d2ef19911a2c74201aea9a725466b8478083