Demote unstable test testQuickSwitchFromApp from presubmit

Bug: 325659406
Test: presubmit
Flag: N/A
Change-Id: I997fb09c93400a706c08235ad6d1a6dd910398fd
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index cbb4894..1bc2c67 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -305,6 +305,7 @@
     @NavigationModeSwitch
     @PortraitLandscape
     @ScreenRecord // b/313464374
+    @TestStabilityRule.Stability(flavors = LOCAL | PLATFORM_POSTSUBMIT) // b/325659406
     public void testQuickSwitchFromApp() throws Exception {
         startTestActivity(2);
         startTestActivity(3);