Fixed a bug that caused sl4a install to fail am: 8cd13eea83
am: 17fa339047

Change-Id: Id2a45e40cfb748d08b05c0ee0bc7a2ccfce2d86c
diff --git a/acts/framework/acts/libs/ota/ota_runners/ota_runner.py b/acts/framework/acts/libs/ota/ota_runners/ota_runner.py
index dd58943..776c900 100644
--- a/acts/framework/acts/libs/ota/ota_runners/ota_runner.py
+++ b/acts/framework/acts/libs/ota/ota_runners/ota_runner.py
@@ -42,7 +42,7 @@
         logging.info('Boot completed. Rooting adb.')
         self.android_device.root_adb()
         logging.info('Root complete. Installing new SL4A.')
-        output = self.android_device.adb.install('-r %s' % self.get_sl4a_apk)
+        output = self.android_device.adb.install('-r %s' % self.get_sl4a_apk())
         logging.info('SL4A install output: %s' % output)
         time.sleep(SL4A_SERVICE_SETUP_TIME)
         logging.info('Starting services.')