* Upgrade to RN 0.59.6 and dependencies
* Remove channel loader unused style
* Update to the latest netInfo that fixes a crash
* Do not set default timezone with moment
* Use RN 0.59.8
* add markers for Android profiling
* update per comments
* Remove beta build flag
* update per comment, latest change on telemetry server and others
* rebase and fix merge conflicts, and update per comments
* update commit hash of mattermost-redux