Check java version in scripts running performance benchmarks.

Scripts throw exception if java version is not 1.8.*-internal

Bug:
Change-Id: I3c8487594ba15ef6b42433ba9bec2d22d5fa4a45
diff --git a/tools/test_framework.py b/tools/test_framework.py
index 04a12d3..b328375 100755
--- a/tools/test_framework.py
+++ b/tools/test_framework.py
@@ -59,6 +59,7 @@
   return parser.parse_args()
 
 def Main():
+  utils.check_java_version()
   args = parse_arguments()
 
   with utils.TempDir() as temp_dir: