hg: amber/amber: fixing failing regression tests

[vicente.romero at oracle.com]

Changeset: 400d527fd8a5
Author:    vromero
Date:      2019-07-15 15:21 -0400
URL:       https://hg.openjdk.java.net/amber/amber/rev/400d527fd8a5

fixing failing regression tests

! test/langtools/tools/javac/diags/examples.not-yet.txt
! test/langtools/tools/javac/diags/examples/CantInheritFromSealed.java
! test/langtools/tools/javac/launcher/SourceLauncherTest.java
! test/langtools/tools/javac/parser/extend/TrialParser.java