Add last request processing time to tomcat metrics

tomcat.yaml

instances:
#    -   host: localhost
#        port: 7199
#        user: username
#        password: password
#        name: tomcat_instance
#        #java_bin_path: /path/to/java #Optional, should be set if the agent cannot find your java executable
#        #trust_store_path: /path/to/trustStore.jks # Optional, should be set if ssl is enabled
#        #trust_store_password: password

# List of metrics to be collected by the integration
# You should not need to modify this.
init_config:
  conf:
    - include:
        type: RequestProcessor
        attribute:
          lastRequestProcessingTime:
            alias: tomcat.last_request_processing_time
            metric_type: gauge
    - include:
        type: ThreadPool
        attribute:
          maxThreads:
            alias: tomcat.threads.max
            metric_type: gauge
          currentThreadCount:
            alias: tomcat.threads.count
            metric_type: gauge
          currentThreadsBusy:
            alias: tomcat.threads.busy
            metric_type: gauge
    - include:
        type: GlobalRequestProcessor
        attribute:
          bytesSent:
            alias: tomcat.bytes_sent
            metric_type: counter
          bytesReceived:
            alias: tomcat.bytes_rcvd
            metric_type: counter
          errorCount:
            alias: tomcat.error_count
            metric_type: counter
          requestCount:
            alias: tomcat.request_count
            metric_type: counter
          maxTime:
            alias: tomcat.max_time
            metric_type: gauge
          processingTime:
            alias: tomcat.processing_time
            metric_type: counter
    - include:
        j2eeType: Servlet
        attribute:
          processingTime:
            alias: tomcat.servlet.processing_time
            metric_type: counter
          errorCount:
            alias: tomcat.servlet.error_count
            metric_type: counter
          requestCount:
            alias: tomcat.servlet.request_count
            metric_type: counter
    - include:
        type: Cache
        accessCount:
          alias: tomcat.cache.access_count
          metric_type: counter
        hitsCounts:
          alias: tomcat.cache.hits_count
          metric_type: counter
    - include:
        type: JspMonitor
        jspCount:
          alias: tomcat.jsp.count
          metric_type: counter
        jspReloadCount:
          alias: tomcat.jsp.reload_count
          metric_type: counter