package com.uwetrottmann.seriesguide;

public class Constants {
    public static final String WEB_CLIENT_ID = "137959300653-9pg0ulu5d3d6jhm4fotn2onk789vsob7.apps.googleusercontent.com";

    public static final String ANDROID_CLIENT_ID = "137959300653.apps.googleusercontent.com";

    public static final String ANDROID_AUDIENCE = WEB_CLIENT_ID;

    public static final String EMAIL_SCOPE = "https://www.googleapis.com/auth/userinfo.email";
}

package com.uwetrottmann.seriesguide;

public class Constants {
    public static final String WEB_CLIENT_ID = "137959300653-9pg0ulu5d3d6jhm4fotn2onk789vsob7.apps.googleusercontent.com";

    public static final String ANDROID_CLIENT_ID = "137959300653-a7st3fs9b9ihsdbkk8m568dqf8a17697.apps.googleusercontent.com";

    public static final String ANDROID_AUDIENCE = WEB_CLIENT_ID;

    public static final String EMAIL_SCOPE = "https://www.googleapis.com/auth/userinfo.email";
}

Update Android client id.