Merge "libgui: Check slot received from IGBP in Surface" into lmp-dev am: 98e3c06010 am: 970bb51580 am: 78976cea8f am: 2fe15aa6f0 am: cce83f15e5 am: 9a44ee0742 am: 787aa48f41 am: f69675e5c2 am: d65a388e1b am: b829d2abe9 am: 79a34dd24b
am: a1b1e635cc

Change-Id: Idfd63642dda3ae741056b75c9c9ddccd63feb76f