Update asm version in asmifier.py

Change-Id: I7207d4f516635c0f4d7e3976c27820c933589a74
diff --git a/tools/asmifier.py b/tools/asmifier.py
index 2ab78f0..8c9f090 100755
--- a/tools/asmifier.py
+++ b/tools/asmifier.py
@@ -14,8 +14,8 @@
     gradle.RunGradle(['copyMavenDeps'])
   cmd = []
   cmd.append('java')
-  cp = ":".join([os.path.join(utils.REPO_ROOT, 'build/deps/asm-6.0.jar'),
-                 os.path.join(utils.REPO_ROOT, 'build/deps/asm-util-6.0.jar')])
+  cp = ":".join([os.path.join(utils.REPO_ROOT, 'build/deps/asm-6.2.1.jar'),
+                 os.path.join(utils.REPO_ROOT, 'build/deps/asm-util-6.2.1.jar')])
   cmd.extend(['-cp', cp])
   cmd.append('org.objectweb.asm.util.ASMifier')
   cmd.extend(args)