fix: Support Lazy annotation

[pinxiong]

What is the purpose of the change

see #829

Brief changelog

1. support @lazy
2. add testcase to check default-lazy-init and lazy-init in XML
3. add testcase to check Lazy annotation

Verifying this change

Checklist

• Make sure there is a GitHub_issue field for the change (usually before you start working on it). Trivial changes like typos do not require a GitHub issue. Your pull request should address just this issue, without pulling in other changes - one PR resolves one issue.
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• Write necessary unit-test to verify your logic correction, more mock a little better when cross module dependency exist. If the new feature or significant change is committed, please remember to add sample in dubbo samples project.
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[chickenlj]

all LGTM except for the code style issue commented above.

[codecov-commenter]

Codecov Report

Merging #7981 (656ad3b) into master (8deb821) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master    #7981   +/-   ##
=========================================
  Coverage     60.82%   60.83%           
+ Complexity      490      489    -1     
=========================================
  Files          1089     1089           
  Lines         43876    43879    +3     
  Branches       6413     6414    +1     
=========================================
+ Hits          26689    26695    +6     
+ Misses        14219    14218    -1     
+ Partials       2968     2966    -2     

Impacted Files	Coverage Δ
.../factory/annotation/ServiceClassPostProcessor.java	83.87% <100.00%> (+0.31%)	⬆️
...in/java/org/apache/dubbo/common/utils/JVMUtil.java	86.79% <0.00%> (-5.67%)	⬇️
...rg/apache/dubbo/rpc/protocol/dubbo/DubboCodec.java	70.53% <0.00%> (-3.58%)	⬇️
...port/identifier/BaseServiceMetadataIdentifier.java	57.14% <0.00%> (-3.58%)	⬇️
...he/dubbo/remoting/transport/netty/NettyServer.java	70.17% <0.00%> (-3.51%)	⬇️
...etadata/report/support/AbstractMetadataReport.java	59.70% <0.00%> (-0.98%)	⬇️
...apache/dubbo/common/extension/ExtensionLoader.java	81.71% <0.00%> (+0.22%)	⬆️
...he/dubbo/registry/multicast/MulticastRegistry.java	70.23% <0.00%> (+0.93%)	⬆️
.../src/main/java/org/apache/dubbo/rpc/RpcStatus.java	73.80% <0.00%> (+1.19%)	⬆️
.../apache/dubbo/remoting/transport/AbstractPeer.java	63.04% <0.00%> (+4.34%)	⬆️
... and 2 more

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