Updating Google Cloud naming (firebase#1122)

* Reinstating tag that devsite needs present to supress machine translation.

* Updating a couple of references to GCP/Google Cloud Platform per new branding guidelines.

CONTRIBUTING.md

@@ -146,7 +146,7 @@ following credentials from the project:
 2. *Web API key*: This is displayed in the "Settings > General" tab of the
    console. Copy it and save to a new text file at `test/resources/apikey.txt`.
 
-Then set up your Firebase/GCP project as follows:
+Then set up your Firebase/Google Cloud project as follows:
 
 1. Enable Firestore: Go to the Firebase Console, and select "Database" from
    the "Develop" menu. Click on the "Create database" button. You may choose
@@ -160,15 +160,15 @@ Then set up your Firebase/GCP project as follows:
    https://console.developers.google.com/apis/api/firebaseml.googleapis.com/overview)
    and make sure your project is selected. If the API is not already enabled, click Enable.
 4. Enable the IAM API: Go to the
-   [Google Cloud Platform Console](https://console.cloud.google.com) and make
-   sure your Firebase/GCP project is selected. Select "APIs & Services >
+   [Google Cloud Console](https://console.cloud.google.com) and make
+   sure your Firebase/Google Cloud project is selected. Select "APIs & Services >
    Dashboard" from the main menu, and click the "ENABLE APIS AND SERVICES"
    button. Search for and enable the "Identity and Access Management (IAM)
    API".
 5. Grant your service account the 'Firebase Authentication Admin' role. This is
    required to ensure that exported user records contain the password hashes of
    the user accounts:
-   1. Go to [Google Cloud Platform Console / IAM & admin](https://console.cloud.google.com/iam-admin).
+   1. Go to [Google Cloud Console / IAM & admin](https://console.cloud.google.com/iam-admin).
    2. Find your service account in the list, and click the 'pencil' icon to edit it's permissions.
    3. Click 'ADD ANOTHER ROLE' and choose 'Firebase Authentication Admin'.
    4. Click 'SAVE'.