Currently, this task is too silent and just writes HTML reports. It is a
nice improvement to print the summary to the console.
Before:
```
> Task :lucene:analysis:icu:jacocoTestReport
Code coverage report at: /home/rmuir/workspace/lucene/lucene/analysis/icu/build/reports/jacoco/test/html.
```
After:
```
> Task :lucene:analysis:icu:jacocoTestReport
Code coverage report at: /home/rmuir/workspace/lucene/lucene/analysis/icu/build/reports/jacoco/test/html.
> Task :lucene:analysis:icu:jacocoLogTestCoverage
Test Coverage:
- Class Coverage: 100%
- Method Coverage: 87.9%
- Branch Coverage: 82.7%
- Line Coverage: 92.8%
- Instruction Coverage: 92.7%
- Complexity Coverage: 78.8%
```
Robert Muir