Revert^2 "Removing all restored backups except one so we don't have old backups"

This reverts commit 3306fa53256ae4046e91f9caf3b3a073982b80b2.

Reason for revert: Fixing issue that caused b/328782012

Change-Id: Ib6a1bbfeedf608f5f77ac6be500271e811320f32
8 files changed