RFR: 8202473: A type variable with multiple bounds does not correctly place type annotation

[Rafael Winterhalter]

This patch assures that an annotation on a type bound is placed on the correct bound index.

-------------

Commit messages:
 - 8202473: A type variable with multiple bounds does not correctly place type annotation

Changes: https://git.openjdk.java.net/jdk/pull/155/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=155&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8202473
  Stats: 80 lines in 2 files changed: 77 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/155.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/155/head:pull/155

PR: https://git.openjdk.java.net/jdk/pull/155