[Android] Extract signing+zipaligning to python

build/java_apk.gypi

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # This file is meant to be included into a target to provide a rule
 # to build Android APKs in a consistent manner.
 #
 # To use this, create a gyp target with the following form:
 # {
 #   'target_name': 'my_package_apk',
@@ skipping 83 matching lines @@
     'classes_dir': '<(intermediate_dir)/classes',
     'javac_includes': [],
     'jar_excluded_classes': [],
     'jar_path': '<(PRODUCT_DIR)/lib.java/<(jar_name)',
     'obfuscated_jar_path': '<(intermediate_dir)/obfuscated.jar',
     'dex_path': '<(intermediate_dir)/classes.dex',
     'android_manifest_path%': '<(java_in_dir)/AndroidManifest.xml',
     'push_stamp': '<(intermediate_dir)/push.stamp',
     'link_stamp': '<(intermediate_dir)/link.stamp',
     'codegen_input_paths': [],
+    'keystore_path': '<(DEPTH)/build/android/ant/chromium-debug.keystore',
+    'unsigned_apk_path': '<(intermediate_dir)/<(apk_name)-unsigned.apk',
     'final_apk_path%': '<(PRODUCT_DIR)/apks/<(apk_name).apk',
     'source_dir': '<(java_in_dir)/src',
     'apk_install_stamp': '<(intermediate_dir)/apk_install.stamp',
     'apk_package_native_libs_dir': '<(intermediate_dir)/libs',
   },
   # Pass the jar path to the apk's "fake" jar target.  This would be better as
   # direct_dependent_settings, but a variable set by a direct_dependent_settings
   # cannot be lifted in a dependent to all_dependent_settings.
   'all_dependent_settings': {
     'variables': {
@@ skipping 436 matching lines @@
         '-DADDITIONAL_RES_PACKAGES=>(additional_res_packages)',
         '-DADDITIONAL_R_TEXT_FILES=>(additional_R_text_files)',
         '-DANDROID_SDK_JAR=<(android_sdk_jar)',
         '-DANDROID_SDK_ROOT=<(android_sdk_root)',
         '-DANDROID_SDK_VERSION=<(android_sdk_version)',
         '-DAPK_NAME=<(apk_name)',
         '-DAPP_MANIFEST_VERSION_CODE=<(app_manifest_version_code)',
         '-DAPP_MANIFEST_VERSION_NAME=<(app_manifest_version_name)',
         '-DASSET_DIR=<(asset_location)',
         '-DCONFIGURATION_NAME=<(CONFIGURATION_NAME)',
-        '-DFINAL_APK_PATH=<(final_apk_path)',
-        '-DKEYSTORE_PATH=<(DEPTH)/build/android/ant/chromium-debug.keystore',
         '-DNATIVE_LIBS_DIR=<(apk_package_native_libs_dir)',
         '-DOUT_DIR=<(intermediate_dir)',
         '-DRESOURCE_DIR=<(resource_dir)',
         '-DSOURCE_DIR=<(source_dir)',
+        '-DUNSIGNED_APK_PATH=<(unsigned_apk_path)',
 
         '-Dbasedir=.',
         '-buildfile',
         '<(DEPTH)/build/android/ant/apk-package.xml',
 
         # Add list of inputs to the command line, so if inputs change
         # (e.g. if a Java file is removed), the command will be re-run.
         # TODO(newt): remove this once crbug.com/177552 is fixed in ninja.
         '-DTHIS_IS_IGNORED=>!(echo \'>(_inputs)\' | md5sum)',
       ]
     },
+    {
+      'action_name': 'finalize_apk',
+      'message': 'Signing/aligning <(_target_name) APK.',
+      'inputs': [
+        '<(DEPTH)/build/android/gyp/util/build_utils.py',
+        '<(DEPTH)/build/android/gyp/finalize_apk.py',
+        '<(unsigned_apk_path)',
+      ],
+      'outputs': [
+        '<(final_apk_path)',
+      ],
+      'action': [
+        'python', '<(DEPTH)/build/android/gyp/finalize_apk.py',
+        '--android-sdk-root=<(android_sdk_root)',
+        '--unsigned-apk-path=<(unsigned_apk_path)',
+        '--final-apk-path=<(final_apk_path)',
+        '--keystore-path=<(keystore_path)',
+
+        # TODO(newt): remove this once crbug.com/177552 is fixed in ninja.
+        '--ignore=>!(echo \'>(_inputs)\' | md5sum)',
+      ],
+    },
   ],
 }