Switch off verbose ProtoResultReporter logging

Setting ProtoResultReporter to verbose logging is clogging the host log
and making it hard to parse (and also causing it to be cut off). This
was useful for debugging before but is no longer needed, so switch it
off.

Test: atest bazel-test-runner-tests
Bug: 262916831
Change-Id: I0b8401ab09fa5853fd08b365a673388abe1fc3c6
1 file changed