Bug 903924 - [Flatfish][LockScreen] add support for large device
Bug 915070 - Default volume control channel for app
Merge pull request #12182 from alivedise/bugzilla/915070/app-default-channel

Bug 915070 - Default volume control channel for app, r=timdream
Merge pull request #12241 from snowmantw/issue903924

Bug 903924 - [Flatfish][LockScreen] add support for large device, r=timdream
Bug 911673 use 'scroll from device side to screen'(scroll up) gesture to back to homescreen