Merge "Merge "Merge "DO NOT MERGE: Bump CTS and CTS Verifier to 5.1_r19" into lollipop-mr1-cts-dev am: 10cba952b4  -s ours" into marshmallow-cts-dev am: 6a77385e56  -s ours" into nougat-cts-dev
am: 6fc4056ee3  -s ours

Change-Id: I3e09eaf08982215f56438dca2aa33417ddfcddbf