Merge "Fix NPE in getAuthToken."

        // Get the calling package. We will use it for the purpose of caching.

        final String callerPkg = loginOptions.getString(AccountManager.KEY_ANDROID_PACKAGE_NAME);

        List<String> callerOwnedPackageNames;

        String[] callerOwnedPackageNames;

        final long ident2 = Binder.clearCallingIdentity();

        try {

            callerOwnedPackageNames = Arrays.asList(mPackageManager.getPackagesForUid(callerUid));

            callerOwnedPackageNames = mPackageManager.getPackagesForUid(callerUid);

        } finally {

            Binder.restoreCallingIdentity(ident2);

        }

        if (callerPkg == null || !callerOwnedPackageNames.contains(callerPkg)) {

        if (callerPkg == null || callerOwnedPackageNames == null

                || !ArrayUtils.contains(callerOwnedPackageNames, callerPkg)) {

            String msg = String.format(

                    "Uid %s is attempting to illegally masquerade as package %s!",

                    callerUid,