[PTS-Bot] Add L2CAP/COS Tests

Adds necessary MMIs to run the following L2CAP Tests:
L2CAP/COS/CED/BI-01-C
L2CAP/COS/CED/BV-05-C
L2CAP/COS/CED/BV-07-C
L2CAP/COS/CED/BV-08-C
L2CAP/COS/CED/BV-11-C
L2CAP/COS/CFD/BV-02-C
L2CAP/COS/CFD/BV-03-C
L2CAP/COS/CFD/BV-11-C
L2CAP/COS/CFD/BV-12-C
L2CAP/COS/CFD/BV-14-C
L2CAP/COS/ECH/BV-01-C

Test: atest pts-bot:L2CAP/COS
Tag: #feature
Bug: 245578454
Change-Id: I97b2e7f5dda20a8ad794c0e8ea436e67bf8b11e9