Bug 952123 - Improve wait and frame switch after closing the cost control FTU
Bug 946652 - Merge LockScreen class into GaiaDevice class; r=zacc
Bug 952158 - Guard form submission r=vingtetun
Merge pull request #14815 from sashakruglov/bug946652

Bug 946652 - Merge LockScreen class into GaiaDevice class; r=zacc
Merge pull request #14900 from KevinGrandon/bug_952158_rocketbar_submit_form_guard

Bug 952158 - Guard form submission r=vingtetun
Merge pull request #14896 from viorelaioia/bug_952123

Bug 952123 - Improve wait and frame switch after closing the cost control FTU