Add feature flag to disable light status bar

Bug: 32085545
Change-Id: I4860145b00893c20f7e37817e9659ccd90409966
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index c73a7a6..544aef2 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -499,9 +499,9 @@
      * @param activate if true, make sure the status bar is light, otherwise base on wallpaper.
      */
     public void activateLightStatusBar(boolean activate) {
-        boolean lightStatusBar = activate
-                || mExtractedColors.getColor(ExtractedColors.STATUS_BAR_INDEX,
-                ExtractedColors.DEFAULT_DARK) == ExtractedColors.DEFAULT_LIGHT;
+        boolean lightStatusBar = activate || (FeatureFlags.LIGHT_STATUS_BAR
+                && mExtractedColors.getColor(ExtractedColors.STATUS_BAR_INDEX,
+                ExtractedColors.DEFAULT_DARK) == ExtractedColors.DEFAULT_LIGHT);
         int oldSystemUiFlags = getWindow().getDecorView().getSystemUiVisibility();
         int newSystemUiFlags = oldSystemUiFlags;
         if (lightStatusBar) {