Fix missing parens in test_android_cts.py
Bug:
Change-Id: I18dc7514573fab2bfd66f52117b23648e432ab80
diff --git a/tools/test_android_cts.py b/tools/test_android_cts.py
index b4af1f1..56fca2d 100755
--- a/tools/test_android_cts.py
+++ b/tools/test_android_cts.py
@@ -214,7 +214,7 @@
assert args.tool in ['jack', 'dx', 'd8']
jack_option = 'ANDROID_COMPILE_WITH_JACK=' \
- + 'true' if args.tool == 'jack' else 'false'
+ + ('true' if args.tool == 'jack' else 'false')
alt_jar_option = ''
if args.tool == 'd8':