Update an agent

PUT https://{hostname}:{port}
  /build/rest2/agents/{id}

This command takes a JSON request string or file. Use the following template for the request:

{
  "agentPools": [{
    "dynamic": "Whether or not the agent pool is dynamic 
  agent pool",
    "name": "The name of the agent pool"
  }],
  "description": "The agent description",
  "ignored": "Whether or not the server is ignoring the 
  agent.",
  "maxJobs": "The Maximum number of jobs that can run on 
  this Agent at any single time.",
  "name": "The name of the agent",
  "properties": [{
    "name": "Property name",
    "value": "Property value"
  }],
  "throughput": "The throughput metric setting is used to 
  determine how likely an agent is to be used for another 
  job.A weight is applied to the agent using a formula based 
  on the throughput and the number of active jobs for the 
  agent.A higher weight means that the agent is more likely 
  to be chosen for an additional job.The formula is as 
  follows: Weight = Throughput / (Number of Active Jobs + 1)"
}