Merge "Set device credential's Window flag to be SECURE." into lmp-mr1-dev am: 1c040c7414  -s ours am: b17703e871  -s ours am: 1de093b1a1  -s ours am: 5f02135c42  -s ours am: 7690482014  -s ours am: dbbcf65c96  -s ours am: e6a8f354fc  -s ours am: 3c19043e9c  -s ours am: d15a81f882  -s ours am: e981e0b855  -s ours
am: ef61a45cf6  -s ours

Change-Id: If9d124cc6a362a152345a04e0748cd71c6fac42a