Tests should handle ${} in the view of jtreg "smart action"

a few security and serialization tests have ${X} in their action tags and might require some amount of rewriting before we bump jtreg's requiredVersion to b14.

1. com/sun/security/auth/login/ConfigFile/InnerClassConfig.java:
main/othervm/policy=InnerClassConfig.policy -Djava.security.auth.login.config==file:${test.src}/InnerClassConfig.config InnerClassConfig

2. com/sun/security/auth/login/ConfigFile/Override.java:
main/othervm -Djava.security.properties=${test.src}/Override.props -Djava.security.auth.login.config==file:${test.src}/Override.good.config Override

3. java/io/Serializable/serialFilter/GlobalFilterTest.java,
testng/othervm/policy=security.policy -Djava.security.properties=${test.src}/java.security-extra1 -Djava.security.debug=properties GlobalFilterTest,
    testng/othervm/policy=security.policy GlobalFilterTest,
    testng/othervm GlobalFilterTest,
    testng/othervm -Djdk.serialFilter=java.** GlobalFilterTest