Merge "Include font revision in the dumpsys output" into main

import android.content.Context;

import android.graphics.fonts.Font;

import android.graphics.fonts.FontFamily;

import android.graphics.fonts.FontFileUtil;

import android.graphics.fonts.FontManager;

import android.graphics.fonts.FontUpdateRequest;

import android.graphics.fonts.FontVariationAxis;

import java.io.IOException;

import java.io.InputStream;

import java.io.PrintWriter;

import java.nio.ByteBuffer;

import java.nio.NioUtils;

import java.nio.channels.FileChannel;

import java.time.LocalDateTime;

import java.time.ZoneOffset;

import java.time.format.DateTimeFormatter;

            sb.append(", fallback = ");

            sb.append(font.getFontFamilyName());

        }

        try (FileInputStream in = new FileInputStream(font.getFile())) {

            FileChannel fc = in.getChannel();

            ByteBuffer buffer = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());

            try {

                float rev = (float) FontFileUtil.getRevision(buffer, font.getTtcIndex()) / 0xFFFF;

                sb.append(String.format(", rev=%.3f", rev));

            } finally {

                NioUtils.freeDirectBuffer(buffer);

            }

        } catch (IOException e) {

            sb.append(", rev=IO ERROR");

        }

        w.println(sb.toString());

        if (font.getOriginalFile() != null) {