Merge "Use IApexService.stagePackages instead of stagePackage"

import java.io.IOException;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collections;

import java.util.LinkedList;

import java.util.List;

import java.util.concurrent.atomic.AtomicInteger;

        try {

            IApexService apex = IApexService.Stub.asInterface(

                    ServiceManager.getService("apexservice"));

            apex.stagePackage(mResolvedBaseFile.toString());

            apex.stagePackages(Collections.singletonList(mResolvedBaseFile.toString()));

        } catch (Throwable e) {

            // Convert all exceptions into package manager exceptions as only those are handled

            // in the code above