Adds core-ktx to SystemUI

This lets us use View extension functions like isGone, isVisible, etc.

Bug: b/235403546
Test: build still works
Merged-In: I0f1d06ee662f0fbc164ab1712b1e8dc90aac14c3
Change-Id: I0f1d06ee662f0fbc164ab1712b1e8dc90aac14c3
diff --git a/packages/SystemUI/Android.bp b/packages/SystemUI/Android.bp
index f05c1e2..fa87de2 100644
--- a/packages/SystemUI/Android.bp
+++ b/packages/SystemUI/Android.bp
@@ -93,6 +93,7 @@
         "SystemUISharedLib",
         "SystemUI-statsd",
         "SettingsLib",
+        "androidx.core_core-ktx",
         "androidx.viewpager2_viewpager2",
         "androidx.legacy_legacy-support-v4",
         "androidx.recyclerview_recyclerview",