Fix update-java-alternatives invocations and sudoers to match ONOS jenkins which works

Change-Id: I3c42403ecb31bb46a9a9e539511e7c3592b87275
diff --git a/jjb/maven.yaml b/jjb/maven.yaml
index 3fe240f..5287127 100644
--- a/jjb/maven.yaml
+++ b/jjb/maven.yaml
@@ -63,7 +63,7 @@
           #!/usr/bin/env bash
           set -eu -o pipefail
           echo "Setting JDK Distro to: $jdkDistro"
-          sudo update-java-alternatives -set "$jdkDistro"
+          sudo update-java-alternatives -s $jdkDistro
           echo "Java Version:"
           java -version
 
@@ -128,7 +128,7 @@
           #!/usr/bin/env bash
           set -eu -o pipefail
           echo "Setting JDK Distro to: $jdkDistro"
-          sudo update-java-alternatives -set "$jdkDistro"
+          sudo update-java-alternatives -s $jdkDistro
           echo "Java Version:"
           java -version
 
@@ -197,7 +197,7 @@
           #!/usr/bin/env bash
           set -eu -o pipefail
           echo "Setting JDK Distro to: $jdkDistro"
-          sudo update-java-alternatives -set "$jdkDistro"
+          sudo update-java-alternatives -s $jdkDistro
           echo "Java Version:"
           java -version