Fix #875 - Implement user opt-in travel behavior data collection

[cagryInside]

This PR implements an opt-in user-travel-behavior tracking feature to OBA. With this PR, after the user agrees to participate the application will collect the users' travel behaviors and push the results to a Firebase Firestore.

The following screens are for registering participating users:

Screen 1	Screen 2	Screen 3	Screen 4

Once the user saves his/her email address, OBA starts collecting the following data:

• activity transitions
• arrivals and departures
• trip plans
• device information

The following screenshots show the collected data:

Activity Transition Data	Detected Activity	Location

TODO:

• Participant registration flow error handling:
  • Finalize the design of the views
  • Disable pressing back button and outside of the dialog while registering
  • Handle error messages while saving the email address
  • Show loading dialog while saving the email address
  • Validate email address
• Implement Destination reminders
• Implement Permissions requests
• Implement a global switch to OBA regions API
  • Implement the Android side
  • Implement the server side
• Implement an opt-out option in settings
• Do not initialize the Transition API when every time the app starts (see the comment be1a67a#diff-8dc92f32bc698f47c67820a05841eca9R216)
• Put the final URLs & google-services.json for Firebase and Google Drive
  • Implement the access control policy to both: OBA write-only
• Remove enumeration of the record ids ( the current enumeration is used for debugging purposes) We're going to leave this for troubleshooting

[barbeau]

Just flagging TODO statement here

[cagryInside]

@barbeau Implemented the destination reminder feature. It looks like this on Firebase:

[barbeau]

@cagryInside Destination reminder data looks good, although we do need to add regionId as well. We also shouldn't apply the 30 minute cache threshold to the destination reminder data - all destination reminder data should be saved to Firestore for enrolled participants.

[cagryInside]

@barbeau I implemented a global switch in the OBARegions api. Also, add a switch on preferences:

[cagryInside]

@barbeau Implemented device information feature as we discussed. The data look like this on Firebase:

[barbeau]

@cagryInside Something seems to have broken initial application installation and startup in the latest set of changes. If I do a fresh install and grant the location permission, nothing happens - I just stare at the world map. If I kill the app and restart it, then the normal startup process continues. So it looks like something is happening with the initial location callback and region selection task.

FYI, I changed to only prompt for battery optimizations if the user is enrolled in the study in 724d33e. However, I commented out HomeActivity.checkBatteryOptimizations() entirely and then did a fresh install and got the same behavior as above (and when I removed my change), so it appears unrelated.

[barbeau]

@cagryInside Also - could you please add an "OK" dialog with some text if the user says they are under 18 when enrolling? Something like "Thanks for your interest, but you need to be over the age of 18 to participate".

[barbeau]

To document @cagryInside and I's offline discussion - we've implemented a feature to allow the user to ignore battery optimziations, but we've commented it out in this PR (including commenting out the permission in the manifest) because it doesn't seem to be needed now, and it could have negative consequences on battery life.

We also haven't solved the "Do not initialize the Transition API when every time the app starts (see the comment be1a67a#diff-8dc92f32bc698f47c67820a05841eca9R216)" issue, but we're going to go ahead and merge this for now while we continue to try and solve the problem.

[barbeau]

USF IRB declared this study exempt so we don't need to include the full IRB informed consent document. I'm going to edit it down in one of the final commits here so we have a record of it in this PR if we change the survey design and need to add it back later after further review.

EDIT - Upon further clarification from IRB, we don't need to include the full informed consent, but do need to include text that addresses the following:

Per AAHRPP standards, even though this study has been determined to be exempt, please ensure the following information is disclosed to participants during consenting procedures. This can be done through your current informed consent document for the study, or another type of document or verbal script that you create:

1. That the activity involves research;
2. A description of the procedures;
3. That participation is voluntary;
4. Name and contact information for the Researcher; and
5. There are adequate provisions to maintain the privacy interests of participants.

[cagryInside]

@barbeau Implemented the Talkback-enabled feature:

[barbeau]

Thanks @cagryInside!