Add activity-compose module

Created module for Activity Compose.

This includes the activity-compose module itself, along with the,
samples and integration test modules.

RelNote: N/A
Test: ./gradlew bOS

Change-Id: I33e27ab8cee5f4f116fe16158128dfb233f98058
diff --git a/settings.gradle b/settings.gradle
index d956fe1..63344a7 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -116,6 +116,9 @@
 /////////////////////////////
 
 includeProject(":activity:activity", "activity/activity", [BuildType.MAIN, BuildType.FLAN])
+includeProject(":activity:activity-compose", "activity/activity-compose", [BuildType.COMPOSE])
+includeProject(":activity:activity-compose:activity-compose-samples", "activity/activity-compose/samples", [BuildType.COMPOSE])
+includeProject(":activity:activity-compose:integration-tests:activity-demos", "activity/activity-compose/integration-tests/activity-demos", [BuildType.COMPOSE])
 includeProject(":activity:activity-ktx", "activity/activity-ktx", [BuildType.MAIN, BuildType.FLAN])
 includeProject(":activity:activity-lint", "activity/activity-lint", [BuildType.MAIN, BuildType.FLAN])
 includeProject(":activity:integration-tests:testapp", "activity/integration-tests/testapp", [BuildType.MAIN])