6879076: disable jprt sync after builds are done

Reviewed-by: kamg, dholmes

make/jprt.properties

@@ -40,6 +40,10 @@ jprt.need.sibling.build=false
 
 jprt.tools.default.release=${jprt.submit.release}
 
+# Disable syncing the source after builds and tests are done.
+
+jprt.sync.push=false
+
 # Define the Solaris platforms we want for the various releases
 
 jprt.my.solaris.sparc.jdk7=solaris_sparc_5.10