Add Protobufs anonymous class back to untested classes list.
Add Protobufs anonymous class back to untested classes list.

Reviewed at https://reviews.apache.org/r/30285/

mschenck/aurora,mschenck/aurora,medallia/aurora,apache/aurora,wfarner/aurora,medallia/aurora,crashlytics/aurora,protochron/aurora,rosmo/aurora,medallia/aurora,thinker0/aurora,shahankhatch/aurora,apache/aurora,protochron/aurora,thinker0/aurora,thinker0/aurora,thinker0/aurora,medallia/aurora,crashlytics/aurora,crashlytics/aurora,mschenck/aurora,protochron/aurora,rosmo/aurora,thinker0/aurora,shahankhatch/aurora,kidaa/aurora,apache/aurora,apache/aurora,rdelval/aurora,wfarner/aurora,protochron/aurora,crashlytics/aurora,kidaa/aurora,kidaa/aurora,thinker0/aurora,protochron/aurora,rdelval/aurora,apache/aurora,crashlytics/aurora,rosmo/aurora,rdelval/aurora,crashlytics/aurora,shahankhatch/aurora,wfarner/aurora,shahankhatch/aurora,kidaa/aurora,mschenck/aurora,rosmo/aurora,rdelval/aurora,mschenck/aurora,shahankhatch/aurora,wfarner/aurora,apache/aurora,wfarner/aurora,rdelval/aurora,kidaa/aurora,medallia/aurora,rdelval/aurora,rosmo/aurora,medallia/aurora,kidaa/aurora,protochron/aurora,mschenck/aurora,wfarner/aurora,shahankhatch/aurora,rosmo/aurora