hg: panama/dev: forgot to hg add tests

[maurizio.cimadamore at oracle.com]

Changeset: 17db6ddbf59b
Author:    mcimadamore
Date:      2018-07-05 11:38 +0100
URL:       http://hg.openjdk.java.net/panama/dev/rev/17db6ddbf59b

forgot to hg add tests

+ test/jdk/com/sun/tools/jextract/BadBitfieldTest.java
+ test/jdk/com/sun/tools/jextract/badBitfields.h
+ test/jdk/com/sun/tools/jextract/bitfields.h
+ test/jdk/com/sun/tools/jextract/bitfields.java