[camera] Add low-frequency client state logging

This change adds INFO-level logging for most low-frequency client
methods on the Device and Stream protocol. It also adds a util template
extension for fsl::Get[Related]Koid that accepts any of the fidl library
types that derive from zx::channels.

Bug: b/223483476
Test: ran product scenarios and observed expected log messages
Change-Id: I77bf7633e7f3306b927e64484f6c06c4a85d73e9
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/657593
Reviewed-by: Marcus Jang <marcusjang@google.com>
Reviewed-by: Ernest Hua <ernesthua@google.com>
Commit-Queue: Matt Sandy <msandy@google.com>