Wait for log-in completion when installing the suite

Issue: INFRA-242
Change-Id: Ie8716a2f9ecb2104d49b3be0a29e2f38c7871c6b
diff --git a/deploy.py b/deploy.py
index cd53258..e8049b9 100755
--- a/deploy.py
+++ b/deploy.py
@@ -529,6 +529,12 @@
                 text=signin_label, className="android.widget.Button"
             ).click()
 
+            # Wait for log-in to complete
+            progress_bar = device.ui(resourceId="android:id/content").child(
+                className="android.widget.ProgressBar"
+            )
+            progress_bar.wait.gone(timeout=10000)
+
     def configure_suite(self, device: DeviceUnderTest) -> None:
         """Configure the suite on a device.