Fix bug# 2772317 (CalendarDatabaseHelper internal cleanup)
Fix bug# 2772317 (CalendarDatabaseHelper internal cleanup)

- use constants defined into Calendar interfaces

Change-Id: I0cb8f71f7fbad61c9d9ee97db5ffeb307cd8169f

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base