Add a primary action to slices from keyguard slice provider

We'll be enforcing requiring a primary action on slices.
There isn't a clear action that makes sense for these
slices... which is unfortunate but add a dummy one for now.

Test: atest KeyguardSliceProviderTest
Bug: 77855834
Change-Id: Ic37f9a8eba463654b3b2b93c1df9cb97d6d688a2
diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
index 97cf1e5..12ac805 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardSliceView.java
@@ -52,6 +52,7 @@
 import com.android.systemui.tuner.TunerService;
 import com.android.systemui.util.wakelock.KeepAwakeAnimationListener;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.function.Consumer;
@@ -156,7 +157,15 @@
 
         ListContent lc = new ListContent(getContext(), mSlice);
         mHasHeader = lc.hasHeader();
-        List<SliceItem> subItems = lc.getRowItems();
+        List<SliceItem> subItems = new ArrayList<SliceItem>();
+        for (int i = 0; i < lc.getRowItems().size(); i++) {
+            SliceItem subItem = lc.getRowItems().get(i);
+            String itemUri = subItem.getSlice().getUri().toString();
+            // Filter out the action row
+            if (!KeyguardSliceProvider.KEYGUARD_ACTION_URI.equals(itemUri)) {
+                subItems.add(subItem);
+            }
+        }
         if (!mHasHeader) {
             mTitle.setVisibility(GONE);
         } else {