Use more generic approach to pack java resources into final APK.

build/android/gyp/write_build_config.py

Index: build/android/gyp/write_build_config.py
diff --git a/build/android/gyp/write_build_config.py b/build/android/gyp/write_build_config.py
index fa38432075a41a1acb707d4708b51e6da286810e..7bbe25a35d8da131095e075f5a2e3763139212b8 100755
--- a/build/android/gyp/write_build_config.py
+++ b/build/android/gyp/write_build_config.py
@@ -253,6 +253,10 @@ def main(argv):
       help='Whether this library requires running on the Android platform.')
   parser.add_option('--bypass-platform-checks', action='store_true',
       help='Bypass checks for support/require Android platform.')
+  parser.add_option('--java-resources-jar-path',
+                    help='Path to JAR that contains java resources. Everything '
+                    'from this JAR except meta-inf/ content and .class files '
+                    'will be added to the final APK.')
 
   # android library options
   parser.add_option('--dex-path', help='Path to target\'s dex output.')
@@ -601,6 +605,20 @@ def main(argv):
     config['assets'], config['uncompressed_assets'] = (
         _MergeAssets(deps.All('android_assets')))
 
+    # Collect java resources
+    java_resources_jars = [d['java_resources_jar'] for d in all_library_deps
+                          if 'java_resources_jar' in d]
+    if options.tested_apk_config:
+      tested_apk_resource_jars = [d['java_resources_jar']
+                                  for d in tested_apk_library_deps
+                                  if 'java_resources_jar' in d]
+      java_resources_jars = [jar for jar in java_resources_jars
+                             if jar not in tested_apk_resource_jars]
+    config['java_resources_jars'] = java_resources_jars
+
+  if options.type == 'java_library' and options.java_resources_jar_path:
+    deps_info['java_resources_jar'] = options.java_resources_jar_path
+
   build_utils.WriteJson(config, options.build_config, only_if_changed=True)
 
   if options.depfile: