src/main/java/com/simpligility/maven/plugins/android/phase04processclasses/ProguardMojo.java
private void collectJvmArguments( List< String > commands )
    {
        if ( parsedJvmArguments != null )
        {
            for ( String jvmArgument : parsedJvmArguments )
            {
                // preserve backward compatibility allowing argument with or without dash (e.g.
                // Xmx512m as well as -Xmx512m should work) (see
                // http://code.google.com/p/maven-android-plugin/issues/detail?id=153)
                if ( !jvmArgument.startsWith( "-" ) )
                {
                    jvmArgument = "-" + jvmArgument;
                }
                commands.add( jvmArgument );
            }
        }
    }
private void collectJvmArguments( List< String > commands )
    {
        if ( parsedJvmArguments != null )
        {
            for ( String jvmArgument : parsedJvmArguments )
            {
                // preserve backward compatibility allowing argument with or without dash (e.g.
                // Xmx512m as well as -Xmx512m should work) (see
                // http://code.google.com/p/maven-android-plugin/issues/detail?id=153)
                if ( !jvmArgument.startsWith( "-" ) )
                {
                    jvmArgument = "-" + jvmArgument;
                }
                commands.add( jvmArgument );
            }
        }
    }
Convert the jvm arguments in parsedJvmArguments as populated by the config in format as needed by the java
command. Also preserve backwards compatibility in terms of dashes required or not..