Add test jar generation logic for ant builds.

base/base.gyp

Index: base/base.gyp
diff --git a/base/base.gyp b/base/base.gyp
index 643836c65365ea765f2130067b6e5935d058a411..1ee34fc7e699860386f9a9033487f2647e72d4fb 100644
--- a/base/base.gyp
+++ b/base/base.gyp
@@ -924,7 +924,34 @@
       ],
     }],
     ['OS == "android"', {
-      'targets': [
+      'targets': [ 
+        {
+          'target_name': 'build_output_directories',

[cjhopman, 2012/09/06 22:33:41]

Could you add a comment explaining why this is needed?

[shashi, 2012/09/07 00:41:33]

Done.

+          'type': 'none',
+          'actions': [
+            {
+              'action_name': 'create_output_dirs',
+              'variables' : {
+                'output_dirs' : [
+                  '<(PRODUCT_DIR)/apks',
+                  '<(PRODUCT_DIR)/lib.java',
+                  '<(PRODUCT_DIR)/test.lib.java',
+                 ]
+              },
+              'inputs' : [
+                '<(PRODUCT_DIR)'
+              ],
+              'outputs': [
+                '<@(output_dirs)'
+              ],
+              'action': [
+                'mkdir',
+                '-p',
+                '<@(output_dirs)',
+              ],
+            },
+          ],
+        },
         {
           'target_name': 'base_jni_headers',
           'type': 'none',