Christopher Tate ac482ebb00 Back up wallpapers via staged copies, not hard links
File-based encryption regimes turn out to make the zero-copy approach
unworkable.  We now copy the file to the local stage for backup purposes,
making sure only to refresh the copy when it changes.

Bug 30201058

Change-Id: Ie3f29ed63f778e3e0e00d1cf56b0bb37553b7823
2016-07-18 17:38:41 -07:00
..
2016-07-15 15:37:14 -07:00