Merge "Tests incompatible with Q because MimeMap was recently added." into rvc-dev

import android.os.Bundle;

import android.provider.DocumentsContract;

import android.provider.DocumentsContract.Document;

import android.webkit.MimeTypeMap;

import com.android.documentsui.DirectoryResult;

import com.android.documentsui.Model;

import com.android.documentsui.base.UserId;

import com.android.documentsui.roots.RootCursorWrapper;

import libcore.content.type.MimeMap;

import java.util.Random;

public class TestModel extends Model {

        while(i != -1) {

            name = name.substring(i + 1);

            String type = MimeMap.getDefault().guessMimeTypeFromExtension(name);

            String type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(name);

            if (type != null) {

                return type;

            }