[Android] Add process_resources.py to build Android library resources.

build/java.gypi

Index: build/java.gypi
diff --git a/build/java.gypi b/build/java.gypi
index 215b562ba5f8d1e94866a49f24708f4ebbc8f64b..0a1df8a873eeef036b49251e1da20469b803e278 100644
--- a/build/java.gypi
+++ b/build/java.gypi
@@ -69,6 +69,8 @@
   'conditions': [
     ['has_java_resources == 1', {
       'variables': {
+        'res_dir': '<(java_in_dir)/res',
+        'crunched_res_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/res',
         'R_dir': '<(SHARED_INTERMEDIATE_DIR)/<(package_name)/java_R',
         'R_file': '<(R_dir)/<(R_package_relpath)/R.java',
         'generated_src_dirs': ['<(R_dir)'],
@@ -83,38 +85,30 @@
 
           # Dependent APKs include this target's resources via
           # additional_res_dirs and additional_res_packages.
-          'additional_res_dirs': ['<(java_in_dir)/res'],
+          'additional_res_dirs': ['<(crunched_res_dir)', '<(res_dir)'],
           'additional_res_packages': ['<(R_package)'],
         },
       },
       'actions': [
-        # Generate R.java for the library.  This R.java contains non-final
-        # constants and is used only while compiling the library jar (e.g.
-        # chromium_content.jar).  When building an apk, a new R.java file with
-        # the correct resource -> ID mappings will be generated by merging the
-        # resources from all libraries and the main apk project.
+        # Generate R.java and crunch image resources.
         {
-          'action_name': 'generate_r_java',
-          'message': 'generating R.java for <(package_name)',
+          'action_name': 'process_resources',
+          'message': 'processing resources for <(package_name)',
           'inputs': [
-            '<(android_sdk_tools)/aapt',
-            '<(android_sdk)/android.jar',
-            '<(DEPTH)/build/android/AndroidManifest.xml',
-            '<!@(find <(java_in_dir)/res -type f)',
+            '<(DEPTH)/build/android/process_resources.py',
+            '<!@(find <(res_dir) -type f)',
           ],
           'outputs': [
             '<(R_file)',
           ],
           'action': [
-            '<(android_sdk_tools)/aapt',
-            'package',
-            '-m',
-            '--non-constant-id',
-            '--custom-package', '<(R_package)',
-            '-M', '<(DEPTH)/build/android/AndroidManifest.xml',
-            '-S', '<(java_in_dir)/res',
-            '-I', '<(android_sdk)/android.jar',
-            '-J', '<(R_dir)',
+            '<(DEPTH)/build/android/process_resources.py',
+            '--android-sdk', '<(android_sdk)',
+            '--android-sdk-tools', '<(android_sdk_tools)',
+            '--R-package', '<(R_package)',
+            '--R-dir', '<(R_dir)',
+            '--res-dir', '<(res_dir)',
+            '--crunched-res-dir', '<(crunched_res_dir)',
           ],
         },
       ],