Fix 2 NPEs in CallLogAdapter.

Test: cl/160695183
PiperOrigin-RevId: 160697524
Change-Id: I07127554a968d8dc36c02b522b7536438be7fb90
diff --git a/java/com/android/dialer/app/calllog/CallLogAdapter.java b/java/com/android/dialer/app/calllog/CallLogAdapter.java
index c4156d5..4942184 100644
--- a/java/com/android/dialer/app/calllog/CallLogAdapter.java
+++ b/java/com/android/dialer/app/calllog/CallLogAdapter.java
@@ -368,7 +368,9 @@
             }
             expandViewHolderActions(viewHolder);
 
-            if (viewHolder.videoCallButtonView.getVisibility() == View.VISIBLE
+            if (viewHolder.videoCallButtonView != null
+                && viewHolder.videoCallButtonView.getVisibility() == View.VISIBLE
+                && LightbringerComponent.get(mActivity).getLightbringer().getPackageName() != null
                 && LightbringerComponent.get(mActivity)
                     .getLightbringer()
                     .getPackageName()