[android] Adds constants.GetOutDirectory() and converts test scripts to use it.

build/android/pylib/gtest/test_package_apk.py

Index: build/android/pylib/gtest/test_package_apk.py
diff --git a/build/android/pylib/gtest/test_package_apk.py b/build/android/pylib/gtest/test_package_apk.py
index 5944147bdc005af40c84b40d4263723d463af7c3..2d143b9322c06961d88737285f27643ef35b3f79 100644
--- a/build/android/pylib/gtest/test_package_apk.py
+++ b/build/android/pylib/gtest/test_package_apk.py
@@ -29,17 +29,16 @@ class TestPackageApk(TestPackage):
       suite_name: Name of the test suite (e.g. base_unittests).
     """
     TestPackage.__init__(self, suite_name)
-    product_dir = os.path.join(cmd_helper.OutDirectory.get(),
-        constants.GetBuildType())
     if suite_name == 'content_browsertests':
       self.suite_path = os.path.join(
-          product_dir, 'apks', '%s.apk' % suite_name)
+          constants.GetBuildDirectory(), 'apks', '%s.apk' % suite_name)
       self._test_apk_package_name = constants.BROWSERTEST_TEST_PACKAGE_NAME
       self._test_activity_name = constants.BROWSERTEST_TEST_ACTIVITY_NAME
       self._command_line_file = constants.BROWSERTEST_COMMAND_LINE_FILE
     else:
       self.suite_path = os.path.join(
-          product_dir, '%s_apk' % suite_name, '%s-debug.apk' % suite_name)
+          constants.GetBuildDirectory(), '%s_apk' % suite_name,
+          '%s-debug.apk' % suite_name)
       self._test_apk_package_name = constants.GTEST_TEST_PACKAGE_NAME
       self._test_activity_name = constants.GTEST_TEST_ACTIVITY_NAME
       self._command_line_file = constants.GTEST_COMMAND_LINE_FILE