Add getEnterpriseId api to network request

Bug: 194332512
CTS-Coverage-Bug: 216481336
Test: build
Change-Id: I1446f8eecf43f7c6d243dc82af08d04957dd60e3

framework/api/module-lib-current.txt

@@ -146,7 +146,9 @@ package android.net {
   }
 
   public class NetworkRequest implements android.os.Parcelable {
+    method @NonNull public int[] getEnterpriseIds();
     method @NonNull public int[] getForbiddenCapabilities();
+    method public boolean hasEnterpriseId(int);
     method public boolean hasForbiddenCapability(int);
   }
 

framework/src/android/net/NetworkRequest.java

@@ -724,6 +724,33 @@ public class NetworkRequest implements Parcelable {
         return networkCapabilities.getCapabilities();
     }
 
+    /**
+     * Get the enteprise identifiers.
+     *
+     * Get all the enterprise identifiers set on this {@code NetworkCapability}
+     * @return array of all the enterprise identifiers.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public @NonNull @NetworkCapabilities.EnterpriseId int[] getEnterpriseIds() {
+        // No need to make a defensive copy here as NC#getCapabilities() already returns
+        // a new array.
+        return networkCapabilities.getEnterpriseIds();
+    }
+
+    /**
+     * Tests for the presence of an enterprise identifier on this instance.
+     *
+     * @param enterpriseId the enterprise capability identifier to be tested for.
+     * @return {@code true} if set on this instance.
+     * @hide
+     */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
+    public boolean hasEnterpriseId(
+            @NetworkCapabilities.EnterpriseId int enterpriseId) {
+        return networkCapabilities.hasEnterpriseId(enterpriseId);
+    }
+
     /**
      * Gets all the forbidden capabilities set on this {@code NetworkRequest} instance.
      *