hg: jdk/submit: 8193462: Fix Filer handling of package-info initial elements

[joe.darcy at oracle.com]

Changeset: ae39ec0b0502
Author:    darcy
Date:      2018-07-18 00:23 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/ae39ec0b0502

8193462: Fix Filer handling of package-info initial elements
Reviewed-by: vromero

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Enter.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/processing/JavacFiler.java
! test/langtools/tools/javac/processing/filer/TestPackageInfo.java