tenderloin:  change in cherries.sh

DownloadProvider: allow non-removable secondary storage

Align the checks done in isSecondStorageSupported
with those in getExternalStorageDirectory such that
the checks for both is (!isPrimary && allowMassStorage)
so devices with non-removable secondary storage work.

Change-Id: I6f169c3b8c16e5dd95f4dcfcda4143c9ad1f6b9b