Add data handling skeleton
Add device data collector
Add device data collector tests
Add DataHandler class skeleton and DataHandlerIntentService
Add table name method to data collector interface and modify goThroughCollectors method
Add database utilities skeleton
Add contract class (schema) and db open helper
Refactor DataHandler
Add data handler tests
Fix SQLitedatabaseAccessor creation
Fixed data handler
Add inserting to db to db accessor
Set the dexcache system property for Mockito
Change DataCollectorTest to use global column names
Implement device data activity that shows collected device data
Fix datetime
Add checking if saving to database was successful and refactor DeviceData class
Add SQLiteDatabaseAccessor test
Create tests for SQLiteDatabaseAccessor
Add test for SQLiteDatabaseAccessor