Fix adb command to find webview package version (#33577)
diff --git a/tools/wpt/browser.py b/tools/wpt/browser.py
index 73b3f02..400043d 100644
--- a/tools/wpt/browser.py
+++ b/tools/wpt/browser.py
@@ -1038,7 +1038,7 @@
# https://chromium.googlesource.com/chromium/src/+/HEAD/android_webview/docs/channels.md
command = ['adb']
if self.device_serial:
- command.extend(['-s', self.device_serial])
+ command.extend(['-s', self.device_serial[0]])
command.extend(['shell', 'dumpsys', 'webviewupdate'])
try:
output = call(*command)