[Android] Remove reference to third_party/android_testrunner.

Deleting in https://codereview.chromium.org/1290173003

BUG=chromium:267773
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/54849004.

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1470
+Version: 1471
 License: BSD
 License File: LICENSE
 

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1470
+#define LIBYUV_VERSION 1471
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

setup_links.py

@@ -81,7 +81,6 @@ if 'android' in target_os:
   DIRECTORIES += [
     'base',
     'third_party/android_platform',
-    'third_party/android_testrunner',
     'third_party/android_tools',
     'third_party/appurify-python',
     'third_party/ashmem',