Using cmd overlay enable-exclusive to switch nav modes

Bug: 151598694
Change-Id: I7df6b7538f7233163868065b866b610c45dc7b46
(cherry picked from commit ccf083dc7d12b8f9fa39083fcf0c7663c7808e06)
diff --git a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
index cd94704..6a66a8b 100644
--- a/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
+++ b/quickstep/tests/src/com/android/quickstep/NavigationModeSwitchRule.java
@@ -167,12 +167,9 @@
             return false;
         }
 
-        setOverlayPackageEnabled(NAV_BAR_MODE_3BUTTON_OVERLAY,
-                overlayPackage == NAV_BAR_MODE_3BUTTON_OVERLAY);
-        setOverlayPackageEnabled(NAV_BAR_MODE_2BUTTON_OVERLAY,
-                overlayPackage == NAV_BAR_MODE_2BUTTON_OVERLAY);
-        setOverlayPackageEnabled(NAV_BAR_MODE_GESTURAL_OVERLAY,
-                overlayPackage == NAV_BAR_MODE_GESTURAL_OVERLAY);
+        Log.d(TAG, "setActiveOverlay: " + overlayPackage + "...");
+        UiDevice.getInstance(getInstrumentation()).executeShellCommand(
+                "cmd overlay enable-exclusive " + overlayPackage);
 
         if (currentSysUiNavigationMode() != expectedMode) {
             final CountDownLatch latch = new CountDownLatch(1);
@@ -204,14 +201,6 @@
         return true;
     }
 
-    private static void setOverlayPackageEnabled(String overlayPackage, boolean enable)
-            throws Exception {
-        Log.d(TAG, "setOverlayPackageEnabled: " + overlayPackage + " " + enable);
-        final String action = enable ? "enable" : "disable";
-        UiDevice.getInstance(getInstrumentation()).executeShellCommand(
-                "cmd overlay " + action + " " + overlayPackage);
-    }
-
     private static boolean packageExists(String packageName) {
         try {
             PackageManager pm = getInstrumentation().getContext().getPackageManager();