Use new icon for lockdown global action

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<vector xmlns:android="http://schemas.android.com/apk/res/android"

        android:width="24.0dp"

        android:height="24.0dp"

        android:viewportWidth="24.0"

        android:viewportHeight="24.0">

    <path

        android:fillColor="#757575"

        android:pathData="M18.0,8.0l-1.0,0.0L17.0,6.0c0.0,-2.8 -2.2,-5.0 -5.0,-5.0C9.2,1.0 7.0,3.2 7.0,6.0l0.0,2.0L6.0,8.0c-1.1,0.0 -2.0,0.9 -2.0,2.0l0.0,10.0c0.0,1.1 0.9,2.0 2.0,2.0l12.0,0.0c1.1,0.0 2.0,-0.9 2.0,-2.0L20.0,10.0C20.0,8.9 19.1,8.0 18.0,8.0zM12.0,17.0c-1.1,0.0 -2.0,-0.9 -2.0,-2.0s0.9,-2.0 2.0,-2.0c1.1,0.0 2.0,0.9 2.0,2.0S13.1,17.0 12.0,17.0zM15.1,8.0L8.9,8.0L8.9,6.0c0.0,-1.7 1.4,-3.1 3.1,-3.1c1.7,0.0 3.1,1.4 3.1,3.1L15.1,8.0z"/>

</vector>

    }

    private Action getLockdownAction() {

        return new SinglePressAction(R.drawable.ic_lock_lock,

        return new SinglePressAction(com.android.systemui.R.drawable.ic_lock_lockdown,

                R.string.global_action_lockdown) {

            @Override