API council requested tweaks to NetworkRequest.

If you put values into the Builder, you should be able to observe
those values on the built object.

Clean cherry-pick of ag/3813257

Test: atest android.net.cts.NetworkRequestTest
Bug: 74945408
Change-Id: Ib28de279efb8b33ab46aa64f580e10fe5f8720e3
Merged-In: I0d090ebb7d57689a061badcf593ae9a37d88f7ce
Merged-In: I539184f7385c1f288cfb77be8307e4463e07e9e6

core/java/android/net/NetworkRequest.java

@@ -17,6 +17,8 @@
 package android.net;
 
 import android.annotation.NonNull;
+import android.net.NetworkCapabilities.NetCapability;
+import android.net.NetworkCapabilities.Transport;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.Process;
@@ -426,6 +428,20 @@ public class NetworkRequest implements Parcelable {
         return type == Type.BACKGROUND_REQUEST;
     }
 
+    /**
+     * @see Builder#addCapability(int)
+     */
+    public boolean hasCapability(@NetCapability int capability) {
+        return networkCapabilities.hasCapability(capability);
+    }
+
+    /**
+     * @see Builder#addTransportType(int)
+     */
+    public boolean hasTransport(@Transport int transportType) {
+        return networkCapabilities.hasTransport(transportType);
+    }
+
     public String toString() {
         return "NetworkRequest [ " + type + " id=" + requestId +
                 (legacyType != ConnectivityManager.TYPE_NONE ? ", legacyType=" + legacyType : "") +