tree a953c099cd73fb6aa8df4c804047e28a7c7eefc6
parent e6dfd45f001f72c4566620a8c9180f563991d93b
author Jin Qian <jinqian@google.com> 1500329171 -0700
committer Jin Qian <jinqian@google.com> 1500331890 -0700

storaged: record userdata space utilization

Update disk space utilization together with diskstats since we will
use free space size to co-relate disk performance.

Bug: 63629306
Change-Id: I4e5694aaff3b71aa56db451f1bc92ccfb07e5086