Merge "Add metadata hash to LocalTransport logs" into udc-dev

import android.app.backup.BackupDataInput;

import android.app.backup.BackupDataOutput;

import android.app.backup.BackupManagerMonitor;

import android.app.backup.BackupRestoreEventLogger;

import android.app.backup.BackupRestoreEventLogger.DataTypeResult;

import android.app.backup.BackupTransport;

import android.app.backup.RestoreDescription;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collections;

/**

                    Log.i(TAG, "\tdataType: " + result.getDataType());

                    Log.i(TAG, "\tsuccessCount: " + result.getSuccessCount());

                    Log.i(TAG, "\tfailCount: " + result.getFailCount());

                    Log.i(TAG, "\tmetadataHash: " + Arrays.toString(result.getMetadataHash()));

                    if (!result.getErrors().isEmpty()) {

                        Log.i(TAG, "\terrors {");