AOSP: e2fsdroid: skip setting timestamp if src_dir is null

fs_mgr formats /data without src_dir.

Test: zero-out first 4096 bytes on /data partition and reboot
Bug: 35219933
Change-Id: I12f1eb1002fd96d18fc7a9ae5a529f673eb57273
From AOSP commit: b5330546f444b49c4d751e9ddd7677ae97161f0c

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed