Continue running other tests even if checkstyle fails, attempt 2 (#9065)

Change-Id: I6adafe06960b9e6410ba4a4a39432e9a08189221

common.xml

@@ -363,7 +363,7 @@
 		<property name="result.dir.full" location="${result.dir}"/>
 		<mkdir dir="${result.dir}" />
 		<echo>##teamcity[importData type='checkstyle' path='${result.dir.full}/checkstyle-errors.xml']</echo>
-		<cs:checkstyle config="${cs.xml}">
+		<cs:checkstyle config="${cs.xml}" failOnViolation="false">
 			<fileset dir="${cs.src}" includes="**/*.java" />
 			<formatter type="xml" toFile="${result.dir}/checkstyle-errors.xml"/>
 			<property key="checkstyle.header.file" file="${cs.header-file}" />