Use -Werror in external/adhd/cras/src

* Suppress non-critical warnings.
* Keep other existing warnings to fix later.

Bug: 66996870
Test: build with WITH_TIDY=1
Exempt-From-Owner-Approval: owners file contains unregistered email addresses
Change-Id: Ia3f93bdc6fd8b14e5f88c9d382a6b04741b9c4f8
1 file changed