[SP27.3] Rename TestableNetworkStatsProvider

Currently, TestableNetworkStatsProvider is a subclass of
INetworkStatsProvider. This is not very accurate naming after
API council review feedback since now we have
NetworkStatsProvider as a system api interface.

This is the counter-part change of actual renaming CL in
NetworkStack.

Test: atest FrameworksNetTests TetheringTests
Bug: 150643374
Change-Id: Ifa8175dc4e2fe2b907ec13b3bd2eca12974f5ea7
Merged-In: Ifa8175dc4e2fe2b907ec13b3bd2eca12974f5ea7
(cherry-picked from ag/10976522)
diff --git a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
index 6e63313..1db90b7 100644
--- a/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
+++ b/tests/net/java/com/android/server/net/NetworkStatsServiceTest.java
@@ -109,7 +109,7 @@
 import com.android.server.net.NetworkStatsService.NetworkStatsSettings;
 import com.android.server.net.NetworkStatsService.NetworkStatsSettings.Config;
 import com.android.testutils.HandlerUtilsKt;
-import com.android.testutils.TestableNetworkStatsProvider;
+import com.android.testutils.TestableNetworkStatsProviderBinder;
 
 import libcore.io.IoUtils;
 
@@ -1118,7 +1118,8 @@
         expectNetworkStatsUidDetail(buildEmptyStats());
 
         // Register custom provider and retrieve callback.
-        final TestableNetworkStatsProvider provider = new TestableNetworkStatsProvider();
+        final TestableNetworkStatsProviderBinder provider =
+                new TestableNetworkStatsProviderBinder();
         final INetworkStatsProviderCallback cb =
                 mService.registerNetworkStatsProvider("TEST", provider);
         assertNotNull(cb);
@@ -1176,7 +1177,8 @@
         mService.forceUpdateIfaces(NETWORKS_WIFI, states, getActiveIface(states), new VpnInfo[0]);
 
         // Register custom provider and retrieve callback.
-        final TestableNetworkStatsProvider provider = new TestableNetworkStatsProvider();
+        final TestableNetworkStatsProviderBinder provider =
+                new TestableNetworkStatsProviderBinder();
         final INetworkStatsProviderCallback cb =
                 mService.registerNetworkStatsProvider("TEST", provider);
         assertNotNull(cb);