Add face metrics constants

    // CATEGORY: SETTINGS

    // OS: Q

    ACTION_FACE_ENROLL = 1505;

    // OPEN: Face Enroll introduction

    // CATEGORY: SETTINGS

    // OS: Q

    FACE_ENROLL_INTRO = 1506;

    // OPEN: Face Enroll introduction

    // CATEGORY: SETTINGS

    // OS: Q

    FACE_ENROLL_ENROLLING = 1507;

    // OPEN: Face Enroll introduction

    // CATEGORY: SETTINGS

    // OS: Q

    FACE_ENROLL_FINISHED = 1508;

    // ---- End Q Constants, all Q constants go above this line ----

    // Add new aosp constants above this line.