Add automatic waiting to some of the click actions

This avoids potential badly timed events which results in an unexpected
state.

Change-Id: Ib0acc9885b086a9a6c7eadea3da9f03b440486b7
diff --git a/deploy.py b/deploy.py
index 1dc9692..080be06 100755
--- a/deploy.py
+++ b/deploy.py
@@ -269,11 +269,11 @@
 
     # Check for registered networks
     registered_networks = set()
-    dut(description='More options').click()
+    dut(description='More options').click.wait()
     time.sleep(1)
     saved_networks = dut(text='Saved networks')
     if saved_networks.exists:
-        saved_networks.click()
+        saved_networks.click.wait()
         for ssid in networks.keys():
             if dut(text=ssid).exists:
                 registered_networks.add(ssid)
@@ -287,8 +287,8 @@
     for ssid in missing_networks:
         print('Configuring `{}` Wi-Fi network…'.format(ssid))
 
-        dut(description='More options').click()
-        dut(text='Add network').click()
+        dut(description='More options').click.wait()
+        dut(text='Add network').click.wait()
         dut(resourceId='com.android.settings:id/ssid') \
             .set_text(ssid)
         dut(resourceId='com.android.settings:id/security') \