RFR [8u] JDK-8044051: Test jdk/lambda/vm/InterfaceAccessFlagsTest.java gets IOException during compilation

[panxuefeng]

Hi,

Please review the backport of JDK-8044051:

Original bug: https://bugs.openjdk.java.net/browse/JDK-8044051

Original commit: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/157b0a8bf65c

Webrev: http://cr.openjdk.java.net/~aoqi/8044051/webrev.8u.01/

Patch applies clean. 8u specific changes are only to path and copyright 
header. Testing:
ran jtreg: jdk/lambda/vm/InterfaceAccessFlagsTest.java.

Thanks,

Pan xuefeng