Add new events for Insights & Period Stats tracking

Author: daniloercoli

WordPressAnalytics/src/main/java/org/wordpress/android/analytics/AnalyticsTracker.java

@@ -37,6 +37,11 @@ public enum Stat {
         READER_BLOG_PREVIEW,
         READER_TAG_PREVIEW,
         STATS_ACCESSED,
+        STATS_INSIGHTS_ACCESSED,
+        STATS_PERIOD_DAYS_ACCESSED,
+        STATS_PERIOD_WEEKS_ACCESSED,
+        STATS_PERIOD_MONTHS_ACCESSED,
+        STATS_PERIOD_YEARS_ACCESSED,
         STATS_VIEW_ALL_ACCESSED,
         STATS_SINGLE_POST_ACCESSED,
         STATS_OPENED_WEB_VERSION,