Merge "Merge "Merge "DO NOT MERGE: Bump CTS and CTS Verifier to 6.0_r15" into marshmallow-cts-dev am: 1d8c12aa80  -s ours" into nougat-cts-dev am: 021fddf3fe  -s ours" into nougat-mr1-cts-dev am: c47bae4586  -s ours am: 3b49ee5110
am: b3ce2d01f2

Change-Id: Ie090328b05fc0bc7859b5d45e2e95e7e3dec787a