[improve][broker] Add lowerBoundarySheddingEnabled conf

[crossoverJie]

Motivation

Make the lowerBoundarySheddingEnabled parameter active.

Modifications

add lowerBoundarySheddingEnabled config.

Verifying this change

• Make sure that the change passes the CI checks.

• Dependencies (add or upgrade a dependency)

• The public API

• The schema

• The default values of configurations

• The threading model

• The binary protocol

• The REST endpoints

• The admin CLI options

• The metrics

• Anything that affects deployment

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

Matching PR in forked repository

PR in forked repository:

[codecov-commenter]

Codecov Report

Merging #19351 (9d1b4d6) into master (c17f355) will decrease coverage by 1.68%.
The diff coverage is 91.66%.

@@             Coverage Diff              @@
##             master   #19351      +/-   ##
============================================
- Coverage     64.33%   62.66%   -1.68%     
+ Complexity    26041    25550     -491     
============================================
  Files          1818     1818              
  Lines        133110   133100      -10     
  Branches      14644    14643       -1     
============================================
- Hits          85641    83405    -2236     
- Misses        39640    41985    +2345     
+ Partials       7829     7710     -119     

Flag	Coverage Δ
inttests	24.91% <53.33%> (+0.04%)	⬆️
systests	25.71% <45.00%> (+0.13%)	⬆️
unittests	59.88% <73.33%> (-1.66%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../org/apache/pulsar/broker/admin/AdminResource.java	73.83% <90.74%> (+3.56%)	⬆️
...che/bookkeeper/mledger/impl/ManagedLedgerImpl.java	78.57% <100.00%> (-0.18%)	⬇️
...ain/java/org/apache/pulsar/broker/rest/Topics.java	0.00% <0.00%> (-100.00%)	⬇️
...lsar/client/impl/auth/AuthenticationDataBasic.java	0.00% <0.00%> (-100.00%)	⬇️
...ar/broker/stats/prometheus/ManagedLedgerStats.java	0.00% <0.00%> (-100.00%)	⬇️
...oker/stats/prometheus/PrometheusMetricStreams.java	0.00% <0.00%> (-100.00%)	⬇️
.../stats/prometheus/AggregatedSubscriptionStats.java	0.00% <0.00%> (-100.00%)	⬇️
...metheus/AggregatedTransactionCoordinatorStats.java	0.00% <0.00%> (-100.00%)	⬇️
...broker/stats/prometheus/TransactionAggregator.java	0.00% <0.00%> (-96.06%)	⬇️
...apache/pulsar/broker/web/ProcessHandlerFilter.java	0.00% <0.00%> (-83.34%)	⬇️
... and 202 more