Mark arg to NC#appliesToUidRange non-null

This is always non-null, and if it's not it has a good
chance to throw anyway

Test: m
Change-Id: I1020ab9e6eb546390325cf6aa4d30183b2e69785
diff --git a/framework/src/android/net/NetworkCapabilities.java b/framework/src/android/net/NetworkCapabilities.java
index 621386c..ca5dc34 100644
--- a/framework/src/android/net/NetworkCapabilities.java
+++ b/framework/src/android/net/NetworkCapabilities.java
@@ -1669,7 +1669,7 @@
      * @hide
      */
     @VisibleForTesting
-    public boolean appliesToUidRange(@Nullable UidRange requiredRange) {
+    public boolean appliesToUidRange(@NonNull UidRange requiredRange) {
         if (null == mUids) return true;
         for (UidRange uidRange : mUids) {
             if (uidRange.containsRange(requiredRange)) {