Track our own DownloadProvider
Track our own DownloadProvider

so we can add more info to DownloadCompleted notifications

Change-Id: I6d35881e7a88916dd0e3bdebe434c2ad72bab418

fallouttester/platform_manifest,pranav01/platform_manifest,Hybrid-Power/startsync,RR-msm7x30/platform_manifest,see4ri/lolili,ND-3500/platform_manifest,hagar006/platform_manifest,knone1/platform_manifest