Fix android build (base_unittests): exclude jni_android_unittest.cc for now.

BUG=None
TEST=


Review URL: http://codereview.chromium.org/8822003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113278 0039d316-1c4b-4281-b951-d872f2087c98

base/base.gyp

@@ -277,6 +277,7 @@
             'synchronization/cancellation_flag_unittest.cc',
             # TODO(michaelbai): The below files are excluded because of the
             # missing JNI and should be added back once JNI is ready.
+            'android/jni_android_unittest.cc',
             'android/scoped_java_ref_unittest.cc',
             'debug/stack_trace_unittest.cc',
           ],