Add support to create, release, signal and import a synx object using the existing generic fence operations. Handle signaling of underlying synx object when a sync object is signaled & vice versa. CRs-Fixed: 3317280 Change-Id: Ia6fac6eb732ed7091ec62f04875bdb30d88c8676 Signed-off-by: Petar Nedev <quic_pnedev@quicinc.com>