Even more debug for bug 17721767.

This time adding events for stack movement and focus change.

Change-Id: Icdff9763ac2daf85c615992fa2c8e418e907908c
diff --git a/services/core/java/com/android/server/am/EventLogTags.logtags b/services/core/java/com/android/server/am/EventLogTags.logtags
index d3cc56b..41499be 100644
--- a/services/core/java/com/android/server/am/EventLogTags.logtags
+++ b/services/core/java/com/android/server/am/EventLogTags.logtags
@@ -89,3 +89,9 @@
 
 # Activity fully drawn time
 30042 am_activity_fully_drawn_time (User|1|5),(Token|1|5),(Component Name|3),(time|2|3)
+
+# Activity focused
+30043 am_focused_activity (User|1|5),(Component Name|3)
+
+# Home Stack brought to front or rear
+30044 am_home_stack_moved (User|1|5),(To Front|1|5),(Top Stack Id|1|5),(Focused Stack Id|1|5)