Invert nav bar to light when status bar changes in all apps.

Change-Id: I48acf2f20cd3e265e2f84bfa412d3d233cb76a01
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index 3157c13..ba4d38c 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -275,13 +275,17 @@
             return;
         }
         int systemUiFlags = mLauncher.getWindow().getDecorView().getSystemUiVisibility();
+        // SYSTEM_UI_FLAG_LIGHT_NAV_BAR == SYSTEM_UI_FLAG_LIGHT_STATUS_BAR << 1
+        // Use proper constant once API is submitted.
         if (enable) {
             mLauncher.getWindow().getDecorView().setSystemUiVisibility(systemUiFlags
-                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+                    | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+                    | (View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR << 1));
 
         } else {
             mLauncher.getWindow().getDecorView().setSystemUiVisibility(systemUiFlags
-                    & ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
+                    & ~(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR
+                            |(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR << 1)));
 
         }
         mLightStatusBar = enable;