Camera: Only report dynamic depth tag related errors

Failing to add dynamic depth camera characteristics
must not have any additional side effects for the
device info constructor.
In case we encounter any issues report the failure and
try to continue with the intitialization.
Additionally fix a minor typo and remove a debug log.

Bug: 123660999
Test: Manual using application,
Camera CTS
Change-Id: I7b4e723ce3bcaf0e5d4c313ba17bca965e8964d8