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

Change-Id: I6e25fc7111d4ec534d0588100e1dd6ce2ced5ee1