RFR: 8280825: Modules that "provide" ToolProvider should document the name that can be used

[Christian Stein]

A number of modules declare that the "provide" ToolProvider.

These modules now specify the "name" of the argument used by `ToolProvider.findFirst` to access an instance of the tool provider within the description part of a `@provides` API tag.

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Commit messages:
 - Separate service type and description text into distinct blocks
 - 8280825: Modules that "provide" ToolProvider should document the name that can be used

Changes: https://git.openjdk.java.net/jdk/pull/7406/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7406&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280825
  Stats: 26 lines in 6 files changed: 21 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7406.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7406/head:pull/7406

PR: https://git.openjdk.java.net/jdk/pull/7406