Android: moves android_webview/ to use long for JNI.

BUG=317523

Review URL: https://codereview.chromium.org/131453003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243918 0039d316-1c4b-4281-b951-d872f2087c98

android_webview/android_webview_tests.gypi

@@ -111,6 +111,7 @@
       ],
       'variables': {
         'jni_gen_package': 'android_webview_unittests',
+        'jni_generator_ptr_type': 'long',
       },
       'includes': [ '../build/jni_generator.gypi' ],
     },