Do not modify notification shade plugin state.

This change removes logic from the BouncerSwipeTouchHandler
where the notification shade plugin state was being forced open
on the beginning of a touch session.

Test: atest BouncerSwipeTouchHandlerTest
Flag: ACONFIG com.android.systemui.communal_bouncer_do_not_modify_plugin_open disabled
Fixes: 338252661
Change-Id: I7146d3ffcfd7f0eed71ae2404c0fdf0a6975072c
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index b3aa7e1..451e98e 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -852,3 +852,13 @@
     purpose: PURPOSE_BUGFIX
   }
 }
+
+flag {
+  name: "communal_bouncer_do_not_modify_plugin_open"
+  namespace: "systemui"
+  description: "do not modify notification shade when handling bouncer expansion."
+  bug: "338252661"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}