[Overview Sharing] Add a feature flag for overview sharing.

Bug: 169772466, 169799864
Test: local
Change-Id: Ie386f660d24feb8d0f3ed15ccf946c005d436986
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 883eab0..1585697 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -149,6 +149,10 @@
     public static final BooleanFlag ENABLE_OVERVIEW_SHARE = getDebugFlag(
             "ENABLE_OVERVIEW_SHARE", false, "Show Share button in Overview Actions");
 
+    public static final BooleanFlag ENABLE_OVERVIEW_SHARING_TO_PEOPLE = getDebugFlag(
+            "ENABLE_OVERVIEW_SHARING_TO_PEOPLE", false,
+            "Show indicators for content on Overview to share with top people. ");
+
     public static final BooleanFlag ENABLE_OVERVIEW_CONTENT_PUSH = getDebugFlag(
             "ENABLE_OVERVIEW_CONTENT_PUSH", false, "Show Content Push button in Overview Actions");