Add Art version 8.1.0 (Android O MR1)

Bug: 119935815
Change-Id: Iee69f8731867e1bb986792b49f0f5da735309c70
diff --git a/tools/run-jdwp-tests.py b/tools/run-jdwp-tests.py
index 45f79e6..db69197 100755
--- a/tools/run-jdwp-tests.py
+++ b/tools/run-jdwp-tests.py
@@ -15,6 +15,7 @@
 
 VERSIONS = [
   'default',
+  '8.1.0',
   '7.0.0',
   '6.0.1',
   '5.1.1',