hg: amber/amber: More record compilation tests; add RECORD_COMPONENT ElementType enum.

[brian.goetz at oracle.com]

Changeset: 4750d96927b1
Author:    briangoetz
Date:      2019-08-19 16:00 -0400
URL:       https://hg.openjdk.java.net/amber/amber/rev/4750d96927b1

More record compilation tests; add RECORD_COMPONENT ElementType enum.

! src/java.base/share/classes/java/lang/annotation/ElementType.java
! test/langtools/tools/javac/records/RecordCompilationTests.java