Bug 867421 - update the test-agent to sandbox sub apps
Merge pull request #9602 from mikehenrty/bug-867421

Bug 867421 - update the test-agent to sandbox sub apps

r=@lightsofapollo
Bug 869255 - [MMS][User Interface] Attach button fire pick Activity and create Attachment r=gnarf37

Implement a button to allow users to choose attachments for MMS messages.
Bug 840044 - [MMS][User Story] Image attachment support r=gnarf37
Bug 871835 - [MMS] Re-factor attachments to work with Blob data r=gnarf37
Bug 870177 - [SMS / MMS] behavior when character limit of SMS is reached V1.1