Disable testQuickSwitchFromApp test due to test failures

Bug: 143285809
Bug: 148865178
Change-Id: I9ac955d9b1ea057258b65b65c5bc813441c1161f
diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index d782f8d..d2f5d8f 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -273,6 +273,8 @@
     @PortraitLandscape
     // b/143285809 Remove @Stability on 02/21/20 if the test doesn't flake.
     @TestStabilityRule.Stability(flavors = LOCAL | UNBUNDLED_POSTSUBMIT)
+    // b/143285809
+    @Ignore
     public void testQuickSwitchFromApp() throws Exception {
         startTestActivity(2);
         startTestActivity(3);