use jetty-servlet-api 4.0.9

Signed-off-by: Lachlan Roberts <lachlan.p.roberts@gmail.com>

Author: lachlan-roberts

api_dev/src/main/java/com/google/appengine/tools/info/Jetty121EE8Sdk.java

@@ -233,7 +233,7 @@ List<File> getJetty121SharedLibFiles() {
     sharedLibs.add(new File(sdkRoot, "lib/shared/jetty12/appengine-local-runtime-shared.jar"));
     File jettyHomeLib = new File(sdkRoot, JETTY121_HOME_LIB_PATH);
 
-    sharedLibs.add(new File(jettyHomeLib, "jetty-servlet-api-4.0.8.jar")); // this is javax.servlet
+    sharedLibs.add(new File(jettyHomeLib, "jetty-servlet-api-4.0.9.jar")); // this is javax.servlet
 
     // We want to match this file: "jetty-util-9.3.8.v20160314.jar"
     // but without hardcoding the Jetty version which is changing from time to time.

runtime/local_jetty121/pom.xml

@@ -127,7 +127,7 @@
     <dependency>
       <groupId>org.eclipse.jetty.toolchain</groupId>
       <artifactId>jetty-servlet-api</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.9</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty</groupId>

runtime/local_jetty121_ee11/pom.xml

@@ -127,7 +127,7 @@
     <dependency>
       <groupId>org.eclipse.jetty.toolchain</groupId>
       <artifactId>jetty-servlet-api</artifactId>
-      <version>4.0.8</version>
+      <version>4.0.9</version>
     </dependency>
     <dependency>
       <groupId>org.eclipse.jetty</groupId>