Update tools/asmifier.py with current ASM version

Change-Id: I521ac0144f57dafc021b3bc0e88bbb8e531e85d1
diff --git a/tools/asmifier.py b/tools/asmifier.py
index c2fbdc0..5290f0a 100755
--- a/tools/asmifier.py
+++ b/tools/asmifier.py
@@ -10,7 +10,7 @@
 import sys
 import utils
 
-ASM_VERSION = '7.2'
+ASM_VERSION = '8.0'
 ASM_JAR = 'asm-' + ASM_VERSION + '.jar'
 ASM_UTIL_JAR = 'asm-util-' + ASM_VERSION + '.jar'