Add android_sdk to third_party to be used by golem when benchmarking

Right now the runners cannot build the target because they are missing
the android sdk.

Change-Id: I5d8ba65e1b1090628957c7285dc26edb2bd69e67
diff --git a/tools/apk_masseur.py b/tools/apk_masseur.py
index 4b13a32..0edd032 100755
--- a/tools/apk_masseur.py
+++ b/tools/apk_masseur.py
@@ -88,7 +88,7 @@
   aligned_apk = os.path.join(temp, 'aligned.apk')
   zipalign_path = (
       'zipalign' if 'build_tools' in os.environ.get('PATH')
-      else os.path.join(utils.ANDROID_BUILD_TOOLS, 'zipalign'))
+      else os.path.join(utils.getAndroidBuildTools(), 'zipalign'))
   cmd = [
     zipalign_path,
     '-f',