Merge "Insert downloaded file to MediaStore db only after Download is complete" into rvc-dev am: 805096693a am: c8e8d2f321

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/providers/DownloadProvider/+/11759899

Change-Id: I638ca754fd6dc203c4024deb6985886ddf73261c