[FIX] Managed Object: add composite binding API doc to bindProperty

Change-Id: I529aefffb70826f58846245a73d4fcb2bdb8495f
BCP: 1482025768
[INTERNAL] m.Switch: improves unit tests code coverage

Change-Id: I39361e41c4d9d08b427c43c510cbf2918b8b4058
Merge "[FIX] Managed Object: add composite binding API doc to bindProperty"
Merge "[INTERNAL] m.Switch: improves unit tests code coverage"