Add a Log.wtf() on user builds to test Pitot reporting pipeline

Apparently, we have previously seen instances of the pipeline being
broken, so this is adding a Log.wtf() to test the pipeline.

It is only run on user builds to not randomly crash droidfood devices.

Test: cf boots
Change-Id: Ie4e6661adef6f1878529688561805f2485e58391
1 file changed