[New architecture] Create public shares

[davigonz]

Let's continue implementing the new architecture with a new use case, Create public shares for a file , following the next architecture:

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TASKS

• Include insert share query in OCShareDao
• Include insert share operation in OCLocalDataSource
• Include insert share operation OCRemoteDataSource
• Include insert share operation in OCShareRepository
• Include insert share function in OCShareViewmodel.
• Connect PublicShareDialogFragment with OCShareViewmodel to insert shares.
• Error handling, adapt ErrorMessageAdapter
• Use room implementation in Content Provider to insert shares
• Tests:
  • OCLocalDataSource
  • OCRemoteDataSource
  • OCShareRepository
  • OCShareViewModel
  • UI tests

PR

• App: [New arch] Insert public share for file #2461
• Library: [New arch] Insert public share for file android-library#240

QA

Checks performed after automatic tests: owncloud/android-library#240 (comment)

[jesmrec]

done!