Make android_apk template actually create an apk

build/android/gyp/finalize_apk.py

Index: build/android/gyp/finalize_apk.py
diff --git a/build/android/gyp/finalize_apk.py b/build/android/gyp/finalize_apk.py
index 5c51467e7680420efd3fa5e7cecc44286b86d701..e66eac67e263baf4be4953f7e3b4702b13249102 100755
--- a/build/android/gyp/finalize_apk.py
+++ b/build/android/gyp/finalize_apk.py
@@ -70,6 +70,7 @@ def DropDataDescriptorsInApk(rezip_path, in_zip_file, out_zip_file):
 
 def main():
   parser = optparse.OptionParser()
+  build_utils.AddDepfileOption(parser)
 
   parser.add_option('--zipalign-path', help='Path to the zipalign tool.')
   parser.add_option('--rezip-path', help='Path to the rezip executable.')
@@ -125,6 +126,10 @@ def main():
       UncompressLibAndPageAlignInApk(
           options.rezip_path, aligned_apk, options.final_apk_path)
 
+  if options.depfile:
+    build_utils.WriteDepfile(
+        options.depfile, build_utils.GetPythonDependencies())
+
   if options.stamp:
     build_utils.Touch(options.stamp)