[Gear VR] Engine Changes Requested (for Mobile VR Jam)

The following commits to GitHub master branch add support for iterative deploy for Android (using Launch):

https://github.com/EpicGames/UnrealEngine/commit/a7f7b0396ba180f4455fa6d3c3478d8cab0d72b2
https://github.com/EpicGames/UnrealEngine/commit/0eab0d7eb1a030756a6a7dba86ef035fd2a867ec
https://github.com/EpicGames/UnrealEngine/commit/482eba0564b77faf80be960ef78f08f7a1ebec7f