Add support for building apk in release

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 59 matching lines @@
         '<(DEPTH)/build/android/ant/sdk-targets.xml',
         # If there is a separate find for additonal_src_dirs, it will find the
         # wrong .java files when additional_src_dirs is empty.
         '>!@(find >(java_in_dir) >(additional_src_dirs) -name "*.java")',
         '<!@(find <(java_in_dir)/<(resource_dir) -name "*")',
         '>@(input_jars_paths)',
         '>@(native_libs_paths)',
         '>@(additional_input_paths)',
       ],
       'outputs': [
+        # TODO(cjhopman): Apks are built with a -debug suffix even when they are
+        # built in release. This should be fixed.
         '<(PRODUCT_DIR)/apks/<(apk_name)-debug.apk',
       ],
       'action': [
         'ant',
         '-DAPP_ABI=<(android_app_abi)',
         '-DANDROID_GDBSERVER=<(android_gdbserver)',
         '-DANDROID_SDK=<(android_sdk)',
         '-DANDROID_SDK_ROOT=<(android_sdk_root)',
         '-DANDROID_SDK_TOOLS=<(android_sdk_tools)',
         '-DANDROID_SDK_VERSION=<(android_sdk_version)',
         '-DANDROID_TOOLCHAIN=<(android_toolchain)',
         '-DCHROMIUM_SRC=<(ant_build_out)/../..',
         '-DCONFIGURATION_NAME=<(CONFIGURATION_NAME)',
         '-DPRODUCT_DIR=<(ant_build_out)',
 
         '-DAPK_NAME=<(apk_name)',
         '-DASSET_DIR=<(asset_location)',
         '-DADDITIONAL_SRC_DIRS=>(additional_src_dirs)',
         '-DGENERATED_SRC_DIRS=>(generated_src_dirs)',
         '-DINPUT_JARS_PATHS=>(input_jars_paths)',
         '-DPACKAGE_NAME=<(package_name)',
         '-DRESOURCE_DIR=<(resource_dir)',
 
         '-Dbasedir=<(java_in_dir)',
         '-buildfile',
-        '<(DEPTH)/build/android/ant/chromium-apk.xml'
+        '<(DEPTH)/build/android/ant/chromium-apk.xml',
+
+        # Specify CONFIGURATION_NAME as the target for ant to build. The
+        # buildfile will then build the appropriate SDK tools target.
+        '<(CONFIGURATION_NAME)',
       ]
     },
   ],
 }