hg: jdk9/sandbox/langtools: Merge

[xueming.shen at oracle.com]

Changeset: 62f7271c593b
Author:    sherman
Date:      2015-08-31 17:47 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/62f7271c593b

Merge

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