fix(java): run Maven in plain console-friendly mode (#1301) (#30)

Source-Link: googleapis/synthtool@7956842
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-java:latest@sha256:491a007c6bd6e77f9e9b1bebcd6cdf08a4a4ef2c228c123d9696845204cb685d

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: losalex <90795544+losalex@users.noreply.github.com>

.github/.OwlBot.lock.yaml

@@ -1,3 +1,4 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:b5ce87328633e27aa3e65d42e84cc722519859349760cdad48c7b5051b519a7d
+  digest: sha256:491a007c6bd6e77f9e9b1bebcd6cdf08a4a4ef2c228c123d9696845204cb685d
+

.kokoro/build.sh

@@ -47,15 +47,15 @@ set +e
 
 case ${JOB_TYPE} in
 test)
-    mvn test -B -Dclirr.skip=true -Denforcer.skip=true
+    mvn test -B -ntp -Dclirr.skip=true -Denforcer.skip=true
     RETURN_CODE=$?
     ;;
 lint)
-    mvn com.coveo:fmt-maven-plugin:check
+    mvn com.coveo:fmt-maven-plugin:check -B -ntp
     RETURN_CODE=$?
     ;;
 javadoc)
-    mvn javadoc:javadoc javadoc:test-javadoc
+    mvn javadoc:javadoc javadoc:test-javadoc -B -ntp
     RETURN_CODE=$?
     ;;
 integration)
@@ -104,7 +104,7 @@ samples)
     fi
     ;;
 clirr)
-    mvn -B -Denforcer.skip=true clirr:check
+    mvn -B -ntp -Denforcer.skip=true clirr:check
     RETURN_CODE=$?
     ;;
 *)