Upstream hashicorp/terraform-provider-google#5638. (hashicorp#3104)

* Upstream hashicorp/terraform-provider-google#5638.

* Do linting after diff.

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/3104.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

website/docs/d/google_iam_policy.html.markdown

@@ -13,6 +13,10 @@ description: |-
 Generates an IAM policy document that may be referenced by and applied to
 other Google Cloud Platform resources, such as the `google_project` resource.
 
+**Note:** Several restrictions apply when setting IAM policies through this API.
+See the [setIamPolicy docs](https://cloud.google.com/resource-manager/reference/rest/v1/projects/setIamPolicy)
+for a list of these restrictions.
+
 ```hcl
 data "google_iam_policy" "admin" {
   binding {
@@ -53,10 +57,6 @@ This data source is used to define IAM policies to apply to other resources.
 Currently, defining a policy through a datasource and referencing that policy
 from another resource is the only way to apply an IAM policy to a resource.
 
-**Note:** Several restrictions apply when setting IAM policies through this API.
-See the [setIamPolicy docs](https://cloud.google.com/resource-manager/reference/rest/v1/projects/setIamPolicy)
-for a list of these restrictions.
-
 ## Argument Reference
 
 The following arguments are supported: