set acq session status to running

[sanahabhimani]

Same as #528 and #533: Setting the acq process status to 'running' once a connection is established before the acq loop begins.

Description

So the agent doesn't remain in 'start' mode, which triggers alarms

Motivation and Context

Resolves #546

How Has This Been Tested?

Hasn't

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[BrianJKoopman]

Thanks!