Update ARC state based on eARC status updates

1. If eARC connection fails: try to initiate ARC.
2. If the eARC HAL moves to the IDLE state: terminate ARC.
This is required by the HDMI 2.0 definition, Section 9.5.4.2.5.

Test: atest
Bug: 262573690
Change-Id: Iefc324ba054ac97fc0790729453cec18d42571cc