[GOBBLIN-1872] Modify logs to improve multi-active debugging

[umustafi]

Dear Gobblin maintainers,

Please accept this PR. I understand that it will not be reviewed until I have checked off all the steps below!

JIRA

• My PR addresses the following Gobblin JIRA issues and references them in the PR title. For example, "[GOBBLIN-XXX] My Gobblin PR"
  • https://issues.apache.org/jira/browse/GOBBLIN-1872

Description

• Here are some details about my PR, including screenshots (if applicable):
  Add, clean up, and move some log statements that would help debug issues with multi-active scheduler.

Tests

• My PR adds the following unit tests OR does not need testing for this extremely good reason:

Commits

• My commits all reference JIRA issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines from "How to write a good git commit message":
  1. Subject is separated from body by a blank line
  2. Subject is limited to 50 characters
  3. Subject does not end with a period
  4. Subject uses the imperative mood ("add", not "adding")
  5. Body wraps at 72 characters
  6. Body explains "what" and "why", not "how"

[codecov-commenter]

Codecov Report

Merging #3735 (42b4d10) into master (01c433c) will increase coverage by 0.00%.
The diff coverage is 33.33%.

@@            Coverage Diff            @@
##             master    #3735   +/-   ##
=========================================
  Coverage     47.08%   47.09%           
- Complexity    10862    10866    +4     
=========================================
  Files          2146     2146           
  Lines         84789    84792    +3     
  Branches       9409     9410    +1     
=========================================
+ Hits          39926    39935    +9     
+ Misses        41241    41235    -6     
  Partials       3622     3622           

Files Changed	Coverage Δ
...pache/gobblin/runtime/kafka/HighLevelConsumer.java	0.00% <0.00%> (ø)
...vice/modules/orchestration/FlowTriggerHandler.java	2.81% <ø> (+0.07%)	⬆️
.../modules/scheduler/GobblinServiceJobScheduler.java	69.83% <0.00%> (-0.58%)	⬇️
...blin/runtime/api/MysqlMultiActiveLeaseArbiter.java	78.44% <100.00%> (+0.19%)	⬆️

... and 7 files with indirect coverage changes

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