fix(java): run Maven in plain console-friendly mode (#1301) (#1461)

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>

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-java:latest
-  digest: sha256:a4d7b2cfc6a9d6b378a6b2458740eae15fcab28854bd23dad3a15102d2e47c87
+  digest: sha256:491a007c6bd6e77f9e9b1bebcd6cdf08a4a4ef2c228c123d9696845204cb685d