code: public void setPolicyTopicEvidenceType(com.google.api.ads.adwords.axis.v201809.cm.PolicyTopicEvidenceType policyTopicEvidenceType) {
          this.policyTopicEvidenceType = policyTopicEvidenceType;
      }
docs: Sets the policyTopicEvidenceType value for this PolicyTopicEvidence.
  
  @param policyTopicEvidenceType   * The type of evidence for the policy topic.