Add comment to build.gradle files

This notifies developers to use the project creation script rather than copying project files and modifying settings.

Bug: 308206300
Test: presubmit
Change-Id: I91f325c6a5f3a1ce77054a2b018b890477a8cedd
diff --git a/activity/activity-compose-lint/build.gradle b/activity/activity-compose-lint/build.gradle
index 327ee7a..7ace495 100644
--- a/activity/activity-compose-lint/build.gradle
+++ b/activity/activity-compose-lint/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.BundleInsideHelper
 import androidx.build.LibraryType
 
diff --git a/activity/activity-compose/build.gradle b/activity/activity-compose/build.gradle
index 314f1a6..257bb1c 100644
--- a/activity/activity-compose/build.gradle
+++ b/activity/activity-compose/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.Publish
 import androidx.build.RunApiTasks
 
diff --git a/activity/activity-compose/integration-tests/activity-demos/build.gradle b/activity/activity-compose/integration-tests/activity-demos/build.gradle
index 5b17987..bfcfdbe 100644
--- a/activity/activity-compose/integration-tests/activity-demos/build.gradle
+++ b/activity/activity-compose/integration-tests/activity-demos/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.Publish
 
 plugins {
diff --git a/activity/activity-compose/samples/build.gradle b/activity/activity-compose/samples/build.gradle
index 27bc33d..9f5fa5b 100644
--- a/activity/activity-compose/samples/build.gradle
+++ b/activity/activity-compose/samples/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.LibraryType
 
 plugins {
diff --git a/activity/activity-ktx/build.gradle b/activity/activity-ktx/build.gradle
index 0e25e28..730d9b9 100644
--- a/activity/activity-ktx/build.gradle
+++ b/activity/activity-ktx/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.Publish
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
diff --git a/activity/activity-lint/build.gradle b/activity/activity-lint/build.gradle
index 554da78..857884f 100644
--- a/activity/activity-lint/build.gradle
+++ b/activity/activity-lint/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.LibraryType
 
 plugins {
diff --git a/activity/activity/build.gradle b/activity/activity/build.gradle
index 3e23e77..0dd4fe8 100644
--- a/activity/activity/build.gradle
+++ b/activity/activity/build.gradle
@@ -1,3 +1,10 @@
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import androidx.build.Publish
 
 plugins {
diff --git a/activity/integration-tests/baselineprofile/build.gradle b/activity/integration-tests/baselineprofile/build.gradle
index 51e930b..b340454 100644
--- a/activity/integration-tests/baselineprofile/build.gradle
+++ b/activity/integration-tests/baselineprofile/build.gradle
@@ -14,6 +14,13 @@
  * limitations under the License.
  */
 
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
 import com.android.build.api.dsl.ManagedVirtualDevice
 
 plugins {