Merge "Doc change: Update pm command usage for test packages"

        System.err.println("The list instrumentation command prints all instrumentations,");

        System.err.println("or only those that target a specified package.  Options:");

        System.err.println("  -f: see their associated file.");

        System.err.println("(Use this command to list all test packages, or use <TARGET-PACKAGE> ");

        System.err.println(" to list the test packages for a particular application. The -f ");

        System.err.println(" option lists the .apk file for the test package.)");

        System.err.println("");

        System.err.println("The list features command prints all features of the system.");

        System.err.println("");