Change severity of JavadocTagContinuationIndentation checkstyle rule from "warning" to default ("error")

Author: valfirst

google-style.xml

@@ -177,9 +177,7 @@
             <property name="allowSamelineMultipleAnnotations" value="true"/>
         </module>
         <module name="NonEmptyAtclauseDescription"/>
-        <module name="JavadocTagContinuationIndentation">
-            <property name="severity" value="warning"/>
-        </module>
+        <module name="JavadocTagContinuationIndentation"/>
         <module name="SummaryJavadoc">
             <property name="forbiddenSummaryFragments" value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
         </module>