Ensure that inputs list is always initialized

Change-Id: I14c7bfaa0b1ab8d3a68db4e6a2960ba5c91907d1
diff --git a/tools/run_on_app.py b/tools/run_on_app.py
index 9bd13a1..582fc13 100755
--- a/tools/run_on_app.py
+++ b/tools/run_on_app.py
@@ -569,6 +569,7 @@
     print('Valid types are {}'.format(version.keys()))
     return 1
   values = version[type]
+  inputs = []
 
   args.extend(['--output', outdir])
   if 'min-api' in values:
@@ -589,7 +590,6 @@
             sanitized_lib_path, sanitized_pgconf_path, values['pgconf'])
         libraries = [sanitized_lib_path]
         args.extend(['--pg-conf', sanitized_pgconf_path])
-        inputs = []
       else:
         # -injars without -libraryjars or vice versa is not supported.
         check_no_injars_and_no_libraryjars(values['pgconf'])