Merge "Set device credential's Window flag to be SECURE." into oc-dev am: e3d0bbcc80  -s ours am: 9bb4e0b794  -s ours am: fddccf0838  -s ours
am: c519347aee  -s ours

Change-Id: If6fd76c0dfb1980c4f0098c6fa6c6757e4dc84ac