closure: update from closure compiler's src and rebuild runner.jar

third_party/closure_compiler/bump_compiler_version

Index: third_party/closure_compiler/bump_compiler_version
diff --git a/third_party/closure_compiler/bump_compiler_version b/third_party/closure_compiler/bump_compiler_version
index 1e6c47d7c7ad09812b3605c12be42c9eabf63b5e..15e802b749231337b1a288a3f20eca57fbb3cfa4 100755
--- a/third_party/closure_compiler/bump_compiler_version
+++ b/third_party/closure_compiler/bump_compiler_version
@@ -10,6 +10,7 @@ readonly SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 readonly TEMP_DIR=$(mktemp -d)
 
 cleanup() {
+  echo "Cleaning up..."
   rm -rf "${TEMP_DIR}"
 }
 
@@ -32,5 +33,8 @@ fi
 echo "Copying compiler.jar and chrome_extensions.js"
 cp build/compiler.jar "${SCRIPT_DIR}/compiler/"
 cp contrib/externs/chrome_extensions.js "${SCRIPT_DIR}/externs/"
-echo "Done"
+
+echo "Rebuilding runner.jar"
+"${SCRIPT_DIR}/runner/build_runner_jar.py"
+
 cleanup