hg: jdk/jdk: 8202843: langtools ant build fails

[jan.lahoda at oracle.com]

Changeset: 54eda3aad6dd
Author:    jlahoda
Date:      2018-05-09 17:14 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/54eda3aad6dd

8202843: langtools ant build fails
Summary: Using default -source/-target settings when building langtools using the developer ant build.
Reviewed-by: mcimadamore

! make/langtools/build.properties
! make/langtools/build.xml