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打开设置，打开APP1，使用adb uninstall 卸载APP1/或者杀掉APP1进程，没有回到设置而是回到了桌面

1. 抓取eventlog，查看ams/wms打印，发现“am_focused_stack: appDied leftTaskHistoryEmpty”
2. 源码中搜索“leftTaskHistoryEmpty”，发现ActivityStack中当activity stack清空时会回到launcher
3. 去掉回到launcher逻辑即可
4. 对比 android13没有该现象，Android10原生设计逻辑如此，高版本wms和ams逻辑变化较大

diff --git a/services/core/java/com/android/server/wm/ActivityStack.java b/services/core/java/com/android/server/wm/ActivityStack.java
index d1c767aeb444..0d1fa0507b63 100644
--- a/services/core/java/com/android/server/wm/ActivityStack.java
+++ b/services/core/java/com/android/server/wm/ActivityStack.java
@@ -5450,7 +5450,7 @@ class ActivityStack extends ConfigurationContainer {&& mRootActivityContainer.isTopDisplayFocusedStack(this)) {String myReason = reason + " leftTaskHistoryEmpty";if (!inMultiWindowMode() || adjustFocusToNextFocusableStack(myReason) == null) {
-                    getDisplay().moveHomeStackToFront(myReason);
+                    // getDisplay().moveHomeStackToFront(myReason);}}if (isAttached()) {