Fix setting timestamps via FUSE

When handling FUSE setattr requests for mtime or atime, we omitted the
tv_nsec field from the timespec.

As per utimensat(2), we should set tv_sec and tv_nsec when not using
UTIME_OMIT or UTIME_NOW.

Test: touch /sdcard/foo && stat /data/media/0/foo
Bug: 154148328
Change-Id: Iaa2892635783a7199a371428821e43f92b5c7cf1
1 file changed