Change the group ID and rename the sub modules

[madhukaw]

Purpose

Related to ballerina-platform/ballerina-library#1623

Examples

Checklist

• Linked to an issue
• Updated the changelog
• Added tests

[codecov]

Codecov Report

Merging #231 (9e59f0a) into master (0a12a48) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #231   +/-   ##
=========================================
  Coverage     88.57%   88.57%           
  Complexity        3        3           
=========================================
  Files             4        4           
  Lines           105      105           
  Branches         60       60           
=========================================
  Hits             93       93           
  Misses           11       11           
  Partials          1        1           

Impacted Files	Coverage Δ
ballerina/init.bal	68.75% <ø> (ø)
...java/org/ballerinalang/stdlib/log/ModuleUtils.java	66.66% <ø> (ø)
.../main/java/org/ballerinalang/stdlib/log/Utils.java	75.00% <ø> (ø)
ballerina/natives.bal	94.87% <100.00%> (ø)

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