Fixing packaging of additional libs on android.

R=davemoore@chromium.org

Review URL: https://codereview.chromium.org/390183009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@283314 0039d316-1c4b-4281-b951-d872f2087c98

build/java_apk.gypi

@@ -390,7 +390,7 @@
           'action_name': 'strip_additional_libraries',
           'variables': {
             'ordered_libraries_file': '<(additional_ordered_libraries_file)',
-            'stripped_libraries_dir%': '<(stripped_libraries_dir)',
+            'stripped_libraries_dir': '<(libraries_source_dir)',
             'input_paths': [
               '<@(additional_bundled_libs)',
               '<(strip_stamp)',