Revert "Don't log change reports to statsd from system server"

This reverts commit 84ee5e0e.

Reason for revert: Potential culprit for b/344525050  - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted

Change-Id: I62d3cff9a92ab5a0220f4d6cf983038c5493f282