Initial commit of Content Suggestions (overview long press) Manager.

Test: compile
Bug: 120865921
Change-Id: I9f8310112bedc883406f0f50a99041f542036fd9
diff --git a/services/Android.bp b/services/Android.bp
index 8e96ccc..567efac 100644
--- a/services/Android.bp
+++ b/services/Android.bp
@@ -23,6 +23,7 @@
         "services.backup",
         "services.companion",
         "services.contentcapture",
+        "services.contentsuggestions",
         "services.coverage",
         "services.devicepolicy",
         "services.midi",