RFR: JDK-8281674: tools/javac/annotations/typeAnnotations/classfile/AnonyousExtendsTest.java fails with AssertionError

[Joe Darcy]

Update javac test for revised runtime toString output.

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Commit messages:
 - JDK-8281674: tools/javac/annotations/typeAnnotations/classfile/AnonymousExtendsTest.java fails with "AssertionError: Unexpected annotations"

Changes: https://git.openjdk.java.net/jdk/pull/7450/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7450&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281674
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7450.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7450/head:pull/7450

PR: https://git.openjdk.java.net/jdk/pull/7450