RFR: JDK-8283713: [BACKOUT] Unexpected TypeElement in ANALYZE TaskEvent

[Jonathan Gibbons]

This reverts commit 36b36efa12876c592d9bf4b381887ecbf49bc2c9.

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Commit messages:
 - Revert "8283661: Unexpected TypeElement in ANALYZE TaskEvent"

Changes: https://git.openjdk.java.net/jdk/pull/7967/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7967&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283713
  Stats: 197 lines in 3 files changed: 2 ins; 188 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7967.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7967/head:pull/7967

PR: https://git.openjdk.java.net/jdk/pull/7967