[ISSUE #9898] Remove AbstractBrokerRunnable and replace with Runnable

[RongtongJin]

Change-Id: I94104151c452d09cbe195a3e1126a473b662a337

Which Issue(s) This PR Fixes

Fixes #9898

Brief Description

Keeping the brokerContainer logs unseparated and maintaining their original state is actually clearer.
Remove AbstractBrokerRunnable and replace with Runnable

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 48.00000% with 13 lines in your changes missing coverage. Please review.
✅ Project coverage is 48.29%. Comparing base (63d20eb) to head (89b3400).
⚠️ Report is 108 commits behind head on develop.

Files with missing lines	Patch %	Lines
...org/apache/rocketmq/broker/out/BrokerOuterAPI.java	20.00%	8 Missing ⚠️
...a/org/apache/rocketmq/broker/BrokerController.java	33.33%	2 Missing ⚠️
...org/apache/rocketmq/container/BrokerContainer.java	33.33%	2 Missing ⚠️
...ache/rocketmq/container/InnerBrokerController.java	50.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9893      +/-   ##
=============================================
- Coverage      48.39%   48.29%   -0.10%     
+ Complexity     12283    12259      -24     
=============================================
  Files           1314     1314              
  Lines          93903    93910       +7     
  Branches       12046    12046              
=============================================
- Hits           45443    45355      -88     
- Misses         42852    42935      +83     
- Partials        5608     5620      +12     

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[guyinyou]

lgtm