Support custom condition to simplify configuration

[hexiaofeng]

@ConditionalOnProperty(name = {
                GovernanceConfig.CONFIG_LIVE_ENABLED,
                GovernanceConfig.CONFIG_LANE_ENABLED,
                GovernanceConfig.CONFIG_FLOW_CONTROL_ENABLED
        }, matchIfMissing = true, relation = ConditionalRelation.OR)
public class HandlerAdapterDefinition extends PluginDefinitionAdapter {
}

replace this with

@ConditionalOnAnyGovernEnabled
public class HandlerAdapterDefinition extends PluginDefinitionAdapter {
}

@ConditionalOnProperty(name = {
                GovernanceConfig.CONFIG_LIVE_ENABLED,
                GovernanceConfig.CONFIG_LANE_ENABLED,
                GovernanceConfig.CONFIG_FLOW_CONTROL_ENABLED
        }, matchIfMissing = true, relation = ConditionalRelation.OR)
public @interface ConditionalOnAnyGovernEnabled {
}

and

@ConditionalOnProperties(value = {
        @ConditionalOnProperty(name = {
                GovernanceConfig.CONFIG_LIVE_ENABLED,
                GovernanceConfig.CONFIG_LANE_ENABLED
        }, matchIfMissing = true, relation = ConditionalRelation.OR),
        @ConditionalOnProperty(name = GovernanceConfig.CONFIG_FLOW_CONTROL_ENABLED, value = "false"),
        @ConditionalOnProperty(name = GovernanceConfig.CONFIG_LIVE_DUBBO_ENABLED, matchIfMissing = true)
}, relation = ConditionalRelation.AND)
@ConditionalOnClass(LoadBalanceDefinition.TYPE_ABSTRACT_CLUSTER)
@ConditionalOnClass(ClassLoaderFilterDefinition.TYPE_PROTOCOL_FILTER_WRAPPER)
public class LoadBalanceDefinition extends PluginDefinitionAdapter {
}

replace this with

@ConditionalOnProperty(name = {
                GovernanceConfig.CONFIG_LIVE_ENABLED,
                GovernanceConfig.CONFIG_LANE_ENABLED
        }, matchIfMissing = true, relation = ConditionalRelation.OR)
@ConditionalOnProperty(name = GovernanceConfig.CONFIG_FLOW_CONTROL_ENABLED, value = "false")
public @interface ConditionOnOnlyRouteEnabled {
}

@ConditionalOnProperty(name = GovernanceConfig.CONFIG_LIVE_DUBBO_ENABLED, matchIfMissing = true)
@ConditionalOnClass(LoadBalanceDefinition.TYPE_ABSTRACT_CLUSTER)
public @interface ConditionOnDubbo27Enabled {
}

@ConditionOnOnlyRouteEnabled
@ConditionOnDubbo27Enabled
@ConditionalOnClass(ClassLoaderFilterDefinition.TYPE_PROTOCOL_FILTER_WRAPPER)
public class LoadBalanceDefinition extends PluginDefinitionAdapter {
}