chore: minimize noise from build scripts (#1091) (#762)

This should limit the amount of scrolling client devs have to do when debugging a test failure

Co-authored-by: Elliotte Rusty Harold <elharo@users.noreply.github.com>
Co-authored-by: Neenu Shaji <Neenu1995@users.noreply.github.com>
Source-Link: googleapis/synthtool@1c0c698
Post-Processor: gcr.io/repo-automation-bots/owlbot-java:latest@sha256:117d9f1bef3342ea256419068dfaf65e5b2d126534ef0773c25ce71b8474f346

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
-  digest: sha256:ee698481139bf3df35cd83d2f17f9670ee914d6184f8909a81d672a6abaf0e72
   image: gcr.io/repo-automation-bots/owlbot-java:latest
+  digest: sha256:117d9f1bef3342ea256419068dfaf65e5b2d126534ef0773c25ce71b8474f346

.kokoro/coerce_logs.sh

@@ -28,7 +28,6 @@ job=$(basename ${KOKORO_JOB_NAME})
 echo "coercing sponge logs..."
 for xml in `find . -name *-sponge_log.xml`
 do
-  echo "processing ${xml}"
   class=$(basename ${xml} | cut -d- -f2)
   dir=$(dirname ${xml})/${job}/${class}
   text=$(dirname ${xml})/${class}-sponge_log.txt

.kokoro/dependencies.sh

@@ -46,7 +46,7 @@ function completenessCheck() {
   # This is stripped from the output as it is not present in the flattened pom.
   # Only dependencies with 'compile' or 'runtime' scope are included from original dependency list.
   msg "Generating dependency list using original pom..."
-  mvn dependency:list -f pom.xml -DincludeScope=runtime -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' | sed -e s/\\s--\\smodule.*// >.org-list.txt
+  mvn dependency:list -f pom.xml -DincludeScope=runtime -Dsort=true | grep '\[INFO]    .*:.*:.*:.*:.*' | sed -e 's/ --.*//' >.org-list.txt
 
   # Output dep list generated using the flattened pom (only 'compile' and 'runtime' scopes)
   msg "Generating dependency list using flattened pom..."
@@ -70,7 +70,7 @@ function completenessCheck() {
 set +e
 
 error_count=0
-for path in $(find -name ".flattened-pom.xml")
+for path in **/.flattened-pom.xml
 do
   # Check flattened pom in each dir that contains it for completeness
   dir=$(dirname "$path")