RFR: 8202471: Make type annotations on owner type parameters available

[Rafael Winterhalter]

A method's or constructor's owner type might carry annotations on its potential type parameters but is never represented as parameterized type what makes these parameters inaccessible at runtime, despite the presence of parameter type annotations.

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Commit messages:
 - 8202471: A method's or constructor's owner type might carry annotations on its potential type parameters but is never represented as parameterized type what makes these parameters inaccessible at runtime, despite the presence of parameter type annotations.

Changes: https://git.openjdk.java.net/jdk/pull/851/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=851&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8202471
  Stats: 199 lines in 5 files changed: 193 ins; 1 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/851.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/851/head:pull/851

PR: https://git.openjdk.java.net/jdk/pull/851