[MJDEPS-21] Separate the use of -jdkinternals in tasks

**[Andre Tadeu de Carvalho](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=andretadeu)** opened **[MJDEPS-21](https://issues.apache.org/jira/browse/MJDEPS-21?redirect=false)** and commented

As suggested in https://issues.apache.org/jira/browse/MJDEPS-16, you could setup **-jdkinternals** as a configuration parameter in pom.xml. In this improvement, I suggest that, instead of a parameter, define two Maven tasks:
* jdeps:jdeps - run **jdeps** without **-jdkinternals**
* jdeps:jdkinternals - run **jdeps** with **-jdkinternals**

From my point of view, this should make it easier to configure and use the plugin to analyze dependencies, since I could choose the behavior I desire in the command line interface.

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**Affects:** 3.1.2

Start by inspecting pom.xml and the Maven plugin's existing jdeps task configuration. Verify the command-line entry points for jdeps:jdeps and jdeps:jdkinternals, ensuring the former runs jdeps without -jdkinternals and the latter runs it with that option.

Written by the indexing model from the issue text.