Migrate to new statsd mechanism for mainline module

Test: atest DocumentsUITests
Test: adb shell cmd stats print-logs then check the log while operating DocumentsUI
Test: make DocumentsUI DocumentsUIGoogle ArcDocumentsUI
Fixes: 130203187
Change-Id: Ie108c2b943c1100452e70f4db5ee0b4e6e6802f1
4 files changed