Merge "Merge "Merge "DO NOT MERGE: Bump CTS and CTS Verifier to 5.1_r28" into lollipop-mr1-cts-dev am: 6ebd08b079  -s ours" into marshmallow-cts-dev am: ac28ed58d3  -s ours" into nougat-cts-dev
am: a32b6983ec  -s ours

Change-Id: Iae3ccc9d17f91eddb0c231b449430598cdd0a073