[First iteration](https://github.com/owncloud/android/pull/3737). `Open in web` available from Details view. - Create option in main list of files - Keep option in Details - List available app providers for every file (https://owncloud.dev/services/app-registry/apps/#app-registry). - Out of multiselection - Refactor of class ### TASKS - [x] Research (if needed) - [x] Create branch feature/open_in_web_main_list - [x] Development tasks - [x] Move "Open in web" to a new extension - [x] Use this new extension in the main file list - [x] Code review and apply changes requested - [x] Design test plan - [x] QA - [x] Merge branch feature/open_in_web_main_list into master
First iteration.
Open in webavailable from Details view.TASKS