common/webauthn: Add webauthn RP ID for google.com.

common/defs/webauthn/apps/google.json

@@ -1,4 +1,5 @@
 {
   "label": "Google",
-  "u2f": "https://www.gstatic.com/securitykey/origins.json"
+  "u2f": "https://www.gstatic.com/securitykey/origins.json",
+  "webauthn": "google.com"
 }

core/src/apps/webauthn/knownapps.py

@@ -48,6 +48,7 @@ _knownapps = {
     "www.binance.com": {"label": "Binance", "use_sign_count": False},
     "www.dropbox.com": {"label": "Dropbox"},
     "github.com": {"label": "GitHub", "use_sign_count": True},
+    "google.com": {"label": "Google"},
     "secure.login.gov": {"label": "login.gov"},
     "login.microsoft.com": {"label": "Microsoft", "use_sign_count": False},
     "webauthn.bin.coffee": {"label": "webauthn.bin.coffee"},