Isolate print out of process test from other tests

    <option name="test-suite-tag" value="apct" />

    <option name="test-tag" value="PrintSpoolerOutOfProcessTests" />

    <option name="config-descriptor:metadata" key="component" value="print" />

    <test class="com.android.tradefed.testtype.AndroidJUnitTest" >

        <option name="package" value="com.android.printspooler.outofprocess.tests" />

        <option name="runner" value="android.support.test.runner.AndroidJUnitRunner" />