Add content_shell_apk target (and a bunch of its dependencies)

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 7340b378e1d7d953c1e8205031b54a7a35038b52..0d7244a3c55fbccf9ecf7a7e4921c7d995482cad 100755
--- a/build/android/gyp/write_build_config.py
+++ b/build/android/gyp/write_build_config.py
@@ -169,21 +169,24 @@ def main(argv):
     java_libraries_list = []
     if options.native_libs:
       libraries = build_utils.ParseGypList(options.native_libs)
-      libraries_dir = os.path.dirname(libraries[0])
-      write_ordered_libraries.SetReadelfPath(options.readelf_path)
-      write_ordered_libraries.SetLibraryDirs([libraries_dir])
-      all_native_library_deps = (
-          write_ordered_libraries.GetSortedTransitiveDependenciesForBinaries(
-              libraries))
-      java_libraries_list = '{%s}' % ','.join(
-          ['"%s"' % s for s in all_native_library_deps])
-      library_paths = map(
-          write_ordered_libraries.FullLibraryPath, all_native_library_deps)
-
-    config['native'] = {
-      'libraries': library_paths,
-      'java_libraries_list': java_libraries_list
-    }
+      if libraries:
+        libraries_dir = os.path.dirname(libraries[0])
+        write_ordered_libraries.SetReadelfPath(options.readelf_path)
+        write_ordered_libraries.SetLibraryDirs([libraries_dir])
+        all_native_library_deps = (
+            write_ordered_libraries.GetSortedTransitiveDependenciesForBinaries(
+                libraries))
+        # Create a java literal array with the "base" library names:
+        # e.g. libfoo.so -> foo
+        java_libraries_list = '{%s}' % ','.join(
+            ['"%s"' % s[3:-3] for s in all_native_library_deps])
+        library_paths = map(
+            write_ordered_libraries.FullLibraryPath, all_native_library_deps)
+
+      config['native'] = {
+        'libraries': library_paths,
+        'java_libraries_list': java_libraries_list
+      }
 
   build_utils.WriteJson(config, options.build_config, only_if_changed=True)