[Pandora] Add PTS-Bot GATT tests GATT/CL/GAW

Added GATT/CL/GAW, fixed few nits from previous change.
Fix two HOGP tests that depends on write descriptor.

Bug: 239103399
Tag: #feature
Test: atest pts-bot:GATT/CL/GAW
Test: atest pts-bot:HOGP/RH/HGNF
Test: atest pts-bot:HOGP/RH/HGCF
Change-Id: I9d90fb28399224854543501e4de81d13c961abbb