clatd: rework buffer sizes

The function internal implementation details of the true
required number of bytes for these buffers doesn't really
belong in the header file.

Test: TreeHugger
Bug: 265591307
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I1aef7adc4c8af9b53d2c0b8da0eb2c1c6e6dd12a
2 files changed