Revert "Revert "Revert "Turn on the feature flag for Android S S..."

Revert submission 13479025-multiuser_test

Reason for revert: Bug: 179457252
Reverted Changes:
I9e3d23f93:Fix the broken test
Id05757c49:Revert "Revert "Turn on the feature flag for Andro...

Change-Id: I4f77afda470b226007bfffda7f536df3b1d4d28a
(cherry picked from commit 0ded361ef4a92652d70fb95857c3dd899c0f2bb8)

core/java/android/util/FeatureFlagUtils.java

diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index 790773f..b229212 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -65,7 +65,7 @@
         DEFAULT_FLAGS.put(SETTINGS_DO_NOT_RESTORE_PRESERVED, "true");
 
         DEFAULT_FLAGS.put("settings_tether_all_in_one", "false");
-        DEFAULT_FLAGS.put("settings_silky_home", "true");
+        DEFAULT_FLAGS.put("settings_silky_home", "false");
         DEFAULT_FLAGS.put("settings_contextual_home", "false");
         DEFAULT_FLAGS.put(SETTINGS_PROVIDER_MODEL, "false");
     }