[PTS-Bot] Added 2 PAN test cases.

PAN/PANU/IP/APP/BV-03-I ICS: TSPC_PAN_4_3 or TSPC_PAN_4_9
PAN/PANU/IP/DNS/BV-01-I ICS: TSPC_PAN_4_5 or TSPC_PAN_4_10

Bug: 274788536

Test: atest pts-bot:PAN -v
Change-Id: I1d727e55868baf8589f55e10bc562a65f0d84f5f