[automerger skipped] Merge "DO NOT MERGE: Bump CTS and CTS Verifier version to 8.1_r20" into oreo-mr1-cts-dev am: eb56ad8dd9 -s ours am: 15eea97836 -s ours

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Change-Id: I8f3ae026a83b0065b69e4d11f2a9dc90b1d15e4d