[Android] Auto-generate API 14 resources from the existing API 17 resources.

build/java.gypi

Index: build/java.gypi
diff --git a/build/java.gypi b/build/java.gypi
index fdcbe576652a7438bd60734f59797f7e171c5215..c5e406310f3b093ed8c68e41e227c36f53ba6904 100644
--- a/build/java.gypi
+++ b/build/java.gypi
@@ -83,6 +83,7 @@
       'variables': {
         'res_dir': '<(java_in_dir)/res',
         'res_crunched_dir': '<(intermediate_dir)/res_crunched',
+        'res_mirrored_dir': '<(intermediate_dir)/res_mirrored',
         'res_input_dirs': ['<(res_dir)', '<@(res_extra_dirs)'],
         'resource_input_paths': ['<!@(find <(res_dir) -type f)'],
         'R_dir': '<(intermediate_dir)/java_R',
@@ -105,7 +106,9 @@
           # Dependent APKs include this target's resources via
           # additional_res_dirs, additional_res_packages, and
           # additional_R_text_files.
-          'additional_res_dirs': ['<(res_crunched_dir)', '<@(res_input_dirs)'],
+          'additional_res_dirs': ['<(res_crunched_dir)',
+                                  '<(res_mirrored_dir)',
+                                  '<@(res_input_dirs)'],
           'additional_res_packages': ['<(R_package)'],
           'additional_R_text_files': ['<(R_text_file)'],
         },
@@ -158,8 +161,9 @@
             '--android-sdk-tools', '<(android_sdk_tools)',
             '--R-dir', '<(R_dir)',
             '--res-dirs', '>(all_res_dirs)',
-            '--crunch-input-dir', '>(res_dir)',
+            '--crunch-and-mirror-input-dir', '>(res_dir)',
             '--crunch-output-dir', '<(res_crunched_dir)',
+            '--mirror-output-dir', '<(res_mirrored_dir)',
             '--android-manifest', '<(android_manifest)',
             '--non-constant-id',
             '--custom-package', '<(R_package)',