luna-sysmgr: bump SRCREV

* 3efe320 Always pass the real native platform buffer instead of our wrapper
* a6feef3 Tune flick gestures modifiers a bit
* c131ad7 Simplify cache management, and cleanup code
* cc719e0 Add support for starting the update application when update is scheduled
* 4b1fc96 Release the screenPixmap as soon as painting is over, so that the associated shared buffer can be reused.
* f22e3d6 Use webos QPA instead of webos-offscreen
* 9b4933d Make use of jailer configurable
* b16fb48 Remove HostArm.h from configuration as it's part of luna-sysmgr-common now

Signed-off-by: Simon Busch <morphis@gravedo.de>