Update the comments on PasswordSpecificsData. The Android format was described wrong.

components/sync/protocol/password_specifics.proto

Index: components/sync/protocol/password_specifics.proto
diff --git a/components/sync/protocol/password_specifics.proto b/components/sync/protocol/password_specifics.proto
index a277b87a120dea3837ff19d2e72cc2224e7807f7..8f17fbc46edade4a6128d7a17ad53e0d0de5aeeb 100644
--- a/components/sync/protocol/password_specifics.proto
+++ b/components/sync/protocol/password_specifics.proto
@@ -42,7 +42,7 @@ message PasswordSpecificsData {
   // For parsed web forms and normal passwords saved through Credential Manager
   // API: url-scheme://url-host[:url-port]/
   // For Android apps (local + federated):
-  //     "android://<hash of cert>@<package name>"
+  //     "android://<hash of cert>@<package name>/"
   // where the hash is base64 encoded SHA512 of the app's public certificate.
   // For federated credentials:
   //     "federation://" + origin_host + "/" + federation_host
@@ -52,7 +52,7 @@ message PasswordSpecificsData {
 
   // For parsed web forms and Credential Manager API:
   //     url-scheme://url-host[:url-port]/path
-  // For Android: "android://<hash of cert>@<package name>"
+  // For Android: "android://<hash of cert>@<package name>/"
   // For proxy/HTTP auth: url-scheme://url-host[:url-port]/path
   optional string origin = 3;