tests must be updated for new TestNG module name

In recent versions of TestNG, an explicit module name has been set (org.testng) which is different from the previously-default value of just testng.

The follow files are affected and will need to be updated when updating to the new jtreg.


open/test/jdk/java/util/ServiceLoader/security/test/module-info.java: requires testng;
open/test/jdk/java/lang/ModuleTests/addXXX/test/module-info.java: requires testng;
open/test/jdk/java/lang/invoke/MethodHandles/privateLookupIn/test/module-info.java: requires testng;
open/test/jdk/java/lang/invoke/modules/m1/module-info.java: requires testng;
open/test/jdk/java/lang/invoke/modules/m3/module-info.java: requires testng;