Update lockscreen detection

keyguard_clock_container is being removed. The
keyguard_indication_area should be a reasonable replacement in order
to detect lockscreen visibility.

Allow platform tests and libraries to use SystemUI flags.

Test: atest PlatformScenarioTests
Fixes: 325325938
Flag: ACONFIG com.android.systemui.migrate_clocks_to_blueprint
DEVELOPMENT

Change-Id: Ib8927c57c24ae83b4e747d06b91ab6e2ed3e51a2
diff --git a/packages/SystemUI/aconfig/Android.bp b/packages/SystemUI/aconfig/Android.bp
index 03f9d74..5d0847c 100644
--- a/packages/SystemUI/aconfig/Android.bp
+++ b/packages/SystemUI/aconfig/Android.bp
@@ -25,6 +25,7 @@
         "//frameworks/base/packages/SystemUI:__subpackages__",
         "//frameworks/libs/systemui/tracinglib:__subpackages__",
         "//platform_testing:__subpackages__",
+        "//vendor:__subpackages__",
         "//cts:__subpackages__",
     ],
 }