Temporary fix for build bots: Set verbose always true

Test: Manual run
Change-Id: I7228c8f64a9a13de4ef3aa73e0e6cd4950ac9646
diff --git a/test/testrunner/testrunner.py b/test/testrunner/testrunner.py
index f48bf76..601acb6 100755
--- a/test/testrunner/testrunner.py
+++ b/test/testrunner/testrunner.py
@@ -812,8 +812,10 @@
   return test
 
 def main():
+  global verbose
   gather_test_info()
   user_requested_test = parse_option()
+  verbose = True
   setup_test_env()
   if build:
     build_targets = ''