hg: jdk9/sandbox/langtools: Merge

[aleksey.shipilev at oracle.com]

Changeset: 816b5cbbc648
Author:    shade
Date:      2015-09-01 20:45 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/816b5cbbc648

Merge

- test/tools/javac/TestBootstrapMethodsCount.java
- test/tools/javac/lib/JavacTestingAbstractThreadedTest.java