Put generated non-test Java runner scripts into bin/

build/host_jar.gypi

Index: build/host_jar.gypi
diff --git a/build/host_jar.gypi b/build/host_jar.gypi
index 9f39d7c6b59a35d729239214294d76da64def92c..60777c6bd653d99464fa9d69ee36493c78e853e9 100644
--- a/build/host_jar.gypi
+++ b/build/host_jar.gypi
@@ -60,6 +60,7 @@
     ],
     'enable_errorprone%': 0,
     'errorprone_exe_path': '<(PRODUCT_DIR)/bin.java/chromium_errorprone',
+    'used_only_by_tests%': 0,
   },
   'all_dependent_settings': {
     'variables': {
@@ -122,7 +123,12 @@
           'action_name': 'create_java_binary_script_<(_target_name)',
           'message': 'Creating java binary script <(_target_name)',
           'variables': {
-            'output': '<(PRODUCT_DIR)/bin/helper/<(_target_name)',
+            'output': '<(PRODUCT_DIR)/bin/<(_target_name)',
+            'conditions': [
+              ['used_only_by_tests == 1', {
+                'output': '<(PRODUCT_DIR)/bin/helper/<(_target_name)',
+              }],
+            ],
           },
           'inputs': [
             '<(DEPTH)/build/android/gyp/create_java_binary_script.py',