[automerger skipped] Merge "DO NOT MERGE: Bump CTS and CTS Verifier to 6.0_r31" into marshmallow-cts-dev am: d333a47e -s ours skipped: 889cf929 skipped: cf805a54 Change-Id: Ic12dc8fa4ce08c2c38f7b4d7c0bc8946b8e4e5da