Merge "Add RoleManager into SystemServiceRegistry."

import android.app.admin.IDevicePolicyManager;

import android.app.job.IJobScheduler;

import android.app.job.JobScheduler;

import android.app.role.RoleManager;

import android.app.slice.SliceManager;

import android.app.timedetector.TimeDetector;

import android.app.timezone.RulesManager;

                    public PermissionManager createService(ContextImpl ctx) {

                        return new PermissionManager(ctx.getOuterContext());

                    }});

        registerService(Context.ROLE_SERVICE, RoleManager.class,

                new CachedServiceFetcher<RoleManager>() {

                    @Override

                    public RoleManager createService(ContextImpl ctx)

                            throws ServiceNotFoundException {

                        return new RoleManager(ctx.getOuterContext());

                    }});

    }

    /**