Network Stats (1/2)
Fix a bootloop problem when /data/system/usagestats/usage-history.xml is an empty file.
See : http://blog.csdn.net/fgwf1/article/details/10624887

Change-Id: I4f01151f4051df4ae1b85fa460ec7a9e70122878
Handle backup transport registration dynamically

Bug 11369873

Change-Id: I9bbdcc21ce25159c6645690123b5d03c553b0ddc