hg: jdk9/sandbox/langtools: Fix langtools' version strings and adjust tests accordingly.

[kumar.x.srinivasan at oracle.com]

Changeset: 5335b3d26a80
Author:    ksrini
Date:      2015-04-08 10:14 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/5335b3d26a80

Fix langtools' version strings and adjust tests accordingly.

! make/gensrc/GensrcCommon.gmk
! test/tools/javac/options/modes/InfoOptsTest.java