DO NOT MERGE Deleting downloads for removed uids on downloadprovider start am: 8ad6045738 am: 6eb1898f65 am: 9fdf777780  -s ours am: 54d494e994  -s ours
am: 389478b4c7  -s ours

Change-Id: I22f989d4146bbc582b370af6542981a8ec20048e