[1.11] Bump Mesos to nightly 1.5.x 9840ae1

[mesosphere-teamcity]

High-level description

This is a routine bump to the latest 1.5.x branch of Mesos.

Related JIRA Issues

• MESOS-8480 Mesos returns high resource usage when killing a Docker task.
• MESOS-8413 Zookeeper configuration passwords are shown in clear text
• MESOS-8413 Agent reboot during checkpointing may result in empty checkpoints.
• MESOS-7742 Race conditions in IOSwitchboard: listening on unix socket and premature closing of the connection.
• MESOS-7742 CGROUPS_ROOT_PidNamespaceForward and CGROUPS_ROOT_PidNamespaceBackward tests fail
• MESOS-8510 URI disk profile adaptor does not consider plugin type for a profile.
• MESOS-8577 Destroy nested container if LAUNCH_NESTED_CONTAINER_SESSION fails
• MESOS-1720 Slave should send exited executor message when the executor is never launched.
• MESOS-8468 LAUNCH_GROUP failure tears down the default executor.

Checklist for all PRs

• Included a test which will fail if code is reverted but test is not. If there is no test please explain here:
• Read the DC/OS contributing guidelines
• Followed relevant code rules Rules for Packages and Systemd

Checklist for component/package updates:

If you are changing components or packages in DC/OS (e.g. you are bumping the sha or ref of anything underneath packages), then in addition to the above please also include:

• Change log from the last version integrated (this should be a link to commits for easy verification and review): [Mesos diff](https://github.com/mesosphere/mesos/compare/8436b76224c48a1a90aa7940fd52399ca7e8a9e7... de6c7c6131f46064f6d9eff56b392f8e381b06d4)
• Test Results: [link to CI job test results for component]
• Code Coverage (if available): [link to code coverage report]

[mesosphere-teamcity]

@mesosphere-mergebot label Ready For Review

[d2iq-mergebot]

This repo has @mesosphere-mergebot integration. You can interact with the following commands.

@mesosphere-mergebot ship_it_label_status_check  
@mesosphere-mergebot bump-ee  
@mesosphere-mergebot pr-status-checks  
@mesosphere-mergebot merge-it  
@mesosphere-mergebot override-status  
@mesosphere-mergebot label [Ship It |Work In Progress |Request For Comment |Holding |Ready For Review] 

• PR creators can apply one of [Ready For Review |Work In Progress]. Owners can apply any label.

[mesosphere-teamcity]

Corresponding EE PR: https://github.com/mesosphere/dcos-enterprise/pull/2277

[greggomann]

High-level description

This is a routine bump to the latest 1.5.x branch of Mesos.

Related JIRA Issues

• MESOS-8480 Mesos returns high resource usage when killing a Docker task.
• MESOS-8413 Zookeeper configuration passwords are shown in clear text
• MESOS-8413 Agent reboot during checkpointing may result in empty checkpoints.
• MESOS-7742 Race conditions in IOSwitchboard: listening on unix socket and premature closing of the connection.
• MESOS-7742 CGROUPS_ROOT_PidNamespaceForward and CGROUPS_ROOT_PidNamespaceBackward tests fail
• MESOS-8510 URI disk profile adaptor does not consider plugin type for a profile.
• MESOS-8577 Destroy nested container if LAUNCH_NESTED_CONTAINER_SESSION fails
• MESOS-1720 Slave should send exited executor message when the executor is never launched.
• MESOS-8468 LAUNCH_GROUP failure tears down the default executor.

Checklist for all PRs

• Included a test which will fail if code is reverted but test is not. If there is no test please explain here:
• Read the DC/OS contributing guidelines
• Followed relevant code rules Rules for Packages and Systemd

Checklist for component/package updates:

If you are changing components or packages in DC/OS (e.g. you are bumping the sha or ref of anything underneath packages), then in addition to the above please also include:

• Change log from the last version integrated (this should be a link to commits for easy verification and review): [Mesos diff](https://github.com/mesosphere/mesos/compare/8436b76224c48a1a90aa7940fd52399ca7e8a9e7... de6c7c6131f46064f6d9eff56b392f8e381b06d4)
• Test Results: [link to CI job test results for component]
• Code Coverage (if available): [link to code coverage report]

[abudnik]

LGTM!

[jieyu]

LGTM

[Gilbert88]

LGTM!

[d2iq-mergebot]

@Gilbert88, @abudnik, @greggomann, @jieyu This PR was updated after it was approved. Please review/approve again.

[mesosphere-teamcity]

Closing PR in lieu of #2476

[mesosphere-teamcity]

Closing PR in lieu of #2475

[orsenthil]

This is merged. Closing this PR. Not sure why it didn't get merged/closed automatically.

[orsenthil]

The changes were merged here: 6861399