Merge "IntDef for DisplayMetrics.DENSITY_*" into main

package android.util;

import android.annotation.IntDef;

import android.annotation.Nullable;

import android.compat.annotation.UnsupportedAppUsage;

import android.content.res.FontScaleConverter;

import android.os.SystemProperties;

import android.view.WindowManager;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

/**

 * A structure describing general information about a display, such as its

 * size, density, and font scaling.

 *

 */

public class DisplayMetrics {

    @IntDef(prefix = { "DENSITY_" }, value = {

            DENSITY_LOW,

            DENSITY_140,

            DENSITY_MEDIUM,

            DENSITY_180,

            DENSITY_200,

            DENSITY_TV,

            DENSITY_220,

            DENSITY_HIGH,

            DENSITY_260,

            DENSITY_280,

            DENSITY_300,

            DENSITY_XHIGH,

            DENSITY_340,

            DENSITY_360,

            DENSITY_400,

            DENSITY_420,

            DENSITY_440,

            DENSITY_450,

            DENSITY_XXHIGH,

            DENSITY_520,

            DENSITY_560,

            DENSITY_600,

            DENSITY_XXXHIGH,

    })

    @Retention(RetentionPolicy.SOURCE)

    @interface DensityDpi{}

    /**

     * Standard quantized DPI for low-density screens.

     */

     * versions may be backported to previous Android versions, so applications

     * should not strongly rely on density matching one of the enum constants.

     */

    @DensityDpi

    public int densityDpi;

    /**

     * A scaling factor for fonts displayed on the display.  This is the same