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

Test: compile
Bug: 120865921
Change-Id: I9f8310112bedc883406f0f50a99041f542036fd9
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index ced4261..1fef5b0 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -262,6 +262,8 @@
             "com.android.server.adb.AdbService$Lifecycle";
     private static final String APP_PREDICTION_MANAGER_SERVICE_CLASS =
             "com.android.server.appprediction.AppPredictionManagerService";
+    private static final String CONTENT_SUGGESTIONS_SERVICE_CLASS =
+            "com.android.server.contentsuggestions.ContentSuggestionsManagerService";
 
     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 
@@ -1160,6 +1162,11 @@
             mSystemServiceManager.startService(APP_PREDICTION_MANAGER_SERVICE_CLASS);
             traceEnd();
 
+            // Content suggestions manager service
+            traceBeginAndSlog("StartContentSuggestionsService");
+            mSystemServiceManager.startService(CONTENT_SUGGESTIONS_SERVICE_CLASS);
+            traceEnd();
+
             // NOTE: ClipboardService indirectly depends on IntelligenceService
             traceBeginAndSlog("StartClipboardService");
             mSystemServiceManager.startService(ClipboardService.class);