Merge "Don't touch usage stats before system ready" into nyc-mr1-dev

            final long now = SystemClock.elapsedRealtime();

            Long lastReported = userState.mProviderLastReportedFg.get(authority);

            if (lastReported == null || lastReported < now - 60 * 1000L) {

                if (mSystemReady) {

                    // Cannot touch the user stats if not system ready

                    mUsageStatsService.reportContentProviderUsage(

                            authority, providerPkgName, app.userId);

                }

                userState.mProviderLastReportedFg.put(authority, now);

            }

        }